"Huh? Isn't this just a kettle for boiling water? Nothing special. Yu'er blinked, looked at the kettle and then at Chen Fei, expressing her incomprehension.

Chen Fei smiled and didn't say anything, but filled the kettle with water, took two more pieces of iron, pressed the pieces of iron on both sides of the lid, and then took the wooden pieces and put them under the kettle, lit the fire, and started to ...... Boiling water.

Chen Fei and his three children stood aside and waited for the water to boil.

The waiting process is always long and painful, and boiling water is such an untechnical thing that cannot arouse the interest of Yu'er and Wu'er at all, both of them are very active, but they can't sit still for a while.

"Daddy! What exactly are you showing us? What's so nice about boiling water? Could it be that a flower can be burned? Yu'er was the first to resist, and then, Wu'er also jumped up in protest.

"That's right, father-in-law, boiling water is so ordinary, why do we stare at the kettle?"

"Yu'er, Wu'er, stand up for me! Military posture, stand! ”

Yu'er and Wu'er's conditioned reflexes generally stand straight in place.

Chen Fei saw the two of them standing up, and finally nodded with satisfaction, and said, "Soldiers take obedience to orders as their duty, and you two have done a good job of this, but you still lack a little patience." Dad knows your ambitions, and you will definitely go to the battlefield in the future, but with your temperament, I am afraid that you will be defeated by the enemy when you go to the battlefield! Remember! The first thing to pay attention to on the battlefield is patience! No matter whether your enemy is strong or not, you must not relax in any way, you must be able to pay attention to the enemy's movements at all times, and adjust your forces at any time to respond. The situation on the battlefield is changing rapidly, and if there is a slightest slackness, it may lead to catastrophe! So you have to be patient, and you have to be attentive and not slack off, no matter what the situation. Now, keep your eyes on the kettle and don't complain! ”

After Chen Fei finished speaking, Yu'er and Wu'er glanced at each other, and stood helplessly staring at the kettle.

The two boys are not bad, and they can listen to what they say. Chen Fei nodded with satisfaction, and turned his head to see that Wen'er was standing quietly in place, staring at the kettle intently.

Compared with his two elder brothers, Wen'er is obviously more patient, which is why Chen Fei loves him very much. Of course, Yu'er and Wu'er will take different paths from Wen'er in the future, and the personalities of the three of them are of course different, no matter which one they are, Chen Fei treats them without discrimination, and there is no particular preference for anyone.

While the water was still boiling, Chen Fei took this opportunity to tell Yu'er and Wu'er about some things about the war, especially emphasizing one point - no matter when, where, and who, don't underestimate the enemy!

This is the first time that Chen Fei has put forward the theory of "not relying on weapons" in front of the two of them.

Now the gunpowder weapons of the Tang Dynasty are very developed and have been at the forefront of the world, but Chen Fei's level is limited, at best, it can only make the gunpowder reach a thousand years later, about the middle and late Ming Dynasty, the world-class gunpowder level, or rather, it is more advanced - the cannonballs of cannons can explode. This is more powerful than the world's most advanced solid cannon a thousand years later.

However, throughout history, during this period of transition from cold weapons to hot weapons, there are still many classic battles in which cold weapons defeated hot weapons.

The root cause of this is that there are many unsolved problems with thermal weapons. For example, they are afraid of moisture, easy to misfire, blow up and so on.

Therefore, Chen Fei didn't want the Tang Dynasty's army to relax its training and not take a fancy to the art of war formation after it had hot weapons. You must know that in the 21st century, when thermal weapons are so developed, the art of war formation is still welcome, which is enough to show its practicality.

Therefore, he hopes that the two children can learn the art of war formation in a down-to-earth manner, and keep in mind the defects of thermal weapons, and must not rely too much on them in the future, otherwise it may cause a catastrophe.

Looking at the child's seemingly understandable and confused eyes, Chen Fei knew it...... Probably in vain...... But it doesn't matter, the two are still young, only in their early tens, and there will be opportunities to educate them in the future.

"Huh?"

The attention of several people was attracted by Wen'er, and their eyes returned to the kettle. After Chen Fei's preaching, the water in the kettle was about to boil, and it was making a muffled sound.

Wen'er stared at the kettle with interest, as if she had found something interesting. It didn't take long for the water in the kettle to boil completely, and although it was impossible to open the lid, the sound of boiling water could be heard distinctly, and at this time, the lid began to tremble violently due to the pressure of the water vapor.

The weight of the two pieces of iron pressed on the lid of the pot was not light, and although the lid trembled badly, it was still pressed by the iron and could not be opened.

Chen Fei added a few more sticks of firewood to the bottom, and the fire was a little stronger. The lid of the pot also trembled more and more, and the iron on it moved as the lid shook and made a crisp sound on the lid.

Finally, as the fire became more and more intense, the rising air pressure in the pot overcame the weight of the iron, and the lid of the pot "flew up" for a distance, and continued to open the lid left and right, and after a while, the iron fell to the ground.

Without the weight of the iron, the lid of the pot could not resist the air pressure in the lake at all, and was almost overturned by the water vapor.

"Interesting! Interesting! Father! You're really amazing! Why didn't Wen'er notice it all along? Wen'er shouted happily as if she had discovered a new world.

Yu'er and Wu'er were confused, they couldn't understand why Wen'er was so happy, and the most important thing was ...... Why does Dad look happier than Wen'er?

"Wen'er, do you understand what your father means?"

Wen'er nodded: "Well, I understand a little." Although Wen'er hasn't figured out why this is, I believe that the tips given by my father to Wen'er will be very useful, and maybe it will solve the motivation problem that Wen'er said. ”

"Hahaha!" Chen Fei smiled very happily, as if he had soothed a sigh of relief in his heart, touched Wen'er's head and said: "Wen'er, you should take a good look at the books written by Dad, the answers are all in it, Dad believes that you can do things that Dad can't do, as long as you are willing to calm down and study and think." Oh yes, when you've learned this thoroughly, Daddy will teach you something even more amazing. Chen Fei blinked, Wen'er nodded, "Well, don't worry, Dad, Wen'er will go back and study hard." ”

"Okay, Dad believes that you can, and it won't be difficult to surpass your Dad in the future." Chen Fei praised. Then he turned to look at Yu'er and Wu'er, and ordered: "Take a break!" Attention! Turn left! March! Dad will take you to visit the interior of the ship, if you want to take the sailor to gallop on the sea in the future, you must be familiar with the structure and purpose of each warship, the so-called know yourself and know the enemy, in order to survive a hundred battles. As an excellent general, the first thing you need to understand is your own strength......" ()

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