The action of forces is mutual Ye Lingfeng is a little speechless. He really can't connect Master Yu with the image of junior high school physics teacher. How can he listen to such words? How can he be nondescript.

But ye Lingfeng agrees with Yu's words. All the ways are interlinked. Things in physics may not be able to be used in Kung Fu. Moreover, what the old man said was true. Although he felt strengthened by practicing Xuantian Dharma and tempering his body, there was always a kind of pain between the viscera.

Most importantly, as far as he knows, the status quo of the mercenary industry, and even the status quo of some experts, is the same as what the old man said. Boxing is afraid of youth, as long as the golden age is over, physical fitness will decline rapidly, and even be plagued by many diseases.

"Master, are you a master of ancient martial arts?" Ye Lingfeng's heart is sincere toward Yu Laozi is a gift, respectful way.

"Guwu?" Master Yu shook his head slightly, and his eyes were more complicated. He said faintly: "I'm neijiaquan!"

Neijiaquan?

Ye Ling can't help frowning a little when he hears about it. Since he knew about the existence of ancient martial arts practitioners, he has also known about the composition of ancient Chinese martial arts. Chinese boxing is divided into two parts: internal and external. External boxing emphasizes tempering muscles and bones, while internal boxing follows Yin and Yang.

As ye Lingfeng knows, neijiaquan seems to pay more attention to the way of health than conquering the enemy. To put it more bluntly, Neijia boxing is all the way ostentatious and useless in actual combat.

Master Yu said that he practiced Neijia boxing, which really confused Ye Lingfeng. Nei family boxing emphasizes health preservation but ignores the enemy. If Master Yu really practices this kind of ostentatious Kung Fu, how can he throw himself away easily.

"Why don't you believe it? Or do you think I'm lying to you? Or do you think neijiaquan is useless? " Mr. Yu squinted and walked slowly to Ye Lingfeng. He asked with a smile.

"No..." Ye Lingfeng scratched his head, and then said: "but isn't neijiaquan a show off..."

But as soon as the words came out, ye Lingfeng felt that something was wrong! When ye Lingfeng belittled his inner family boxing, he immediately blew his beard and glared at Ye Lingfeng's butt.

Ye Lingfeng instinctively wants to avoid, but unfortunately, Master Yu is totally different from the past. His speed is as fast as lightning. Without waiting for him to make any response, his buttock hurts, and then a strong attack comes, and people are directly kicked away!

Ye Lingfeng was completely shocked! He couldn't figure out how it could become so powerful in the hands of Mr. Yu, who had been regarded by so many people as a showy Neijia boxing. It was just unexpected.

Is it really a mistake between myself and those outside, that neijiaquan is not as simple as I think?

"foreign family is tough and hard to walk, and it is awesome effort to lean on the skin and bones. It relies on human inertia, and uses the contraction muscles and expansion muscles in the human body, just like hammers hitting nails, it relies on another force. That's why it's easiest for outsiders to get results. "

It seems that Master Yu doesn't want to investigate Ye Lingfeng's mistakes. After kicking Ye Lingfeng away, he doesn't scold him any more. Instead, he looks at Ye Lingfeng blandly and says, "have you ever thought that people will grow old after all? Even if you train your bones and skin like iron, can you resist the invasion of time? "

Ye Lingfeng was silent, but his eyes were shining. Why are the ancient martial arts practitioners constantly looking for natural resources and local treasures to strengthen their own body? In addition to strengthening their internal power, they want to use these things to adjust their body and delay their aging, so that their strength can be maintained in a golden age as far as possible.

But there are only so many natural resources in the world, and people will always be old. No matter how hard you practice, it's nothing in front of the invasion of time. No matter how powerful a person is, no matter how powerful a force is, he will be defeated by time.

Mr. Yu is so old, but he can still maintain such a strong fighting capacity. Ye Lingfeng thinks it is very possible that he has found a way to fight against time!

"In fact, it's not hard to be strong all the time..." With a mysterious smile, Master Yu said faintly: "the body will grow old, but the willpower and spiritual power will not grow old. As long as the spirit is strong enough, everything is possible!"

Spirit! Ye Lingfeng's eyes are brighter. After he got the Xuantian Sutra, he has been wondering why the Xuantian Sutra is different from other ancient martial arts cultivation methods. It emphasizes the external and spiritual strength.

But Yu Lao's words are to find out the answer for him. The answer is that the person who created Xuantian Dharma wants to resist the invasion of time with strong spiritual power, so that people can always have strong fighting power.

"If I'm not wrong, you should also be tempering your mental strength besides your muscles and bones, but the effect seems to be average?" Just as ye Lingfeng ponders deeply, Master Yu opens his mouth as if he has thoroughly seen through Ye Lingfeng's secret.