First, the child's nature: from zero to three years old, there is no difference in heart and no dust. It is really like Zhan Ran, its sexual morality is pure, and its heart is like a mirror. Life is preconceived and deeply rooted in people's hearts.

It's time for children to cultivate their nature.

Second, children's education: before the age of thirteen, material desires were slightly smoked, troubles lurked, knowledge was slightly sprouted, sexual morality was still online, memory was still strong, and understanding was weak.

It is timely for Tong Mengyun to put forward a correct view.

Third, the ambition of teenagers: after the age of thirteen, knowledge gradually opens up, material desires dye the body, troubles increase, and the heart is impetuous, so the truth fades away, the memory fades away, the nature is obvious, the efficiency is improved, and the understanding becomes stronger.

It's time for teenagers to cultivate their hearts.

Four. Adult moral cultivation: If you can take root in studying when you are young, you can be sincere, apply what you have learned and apply what you have learned, so as to lay a solid foundation for your future career and cultivate your own morality.

There is no end to virtue and learning, which is suitable for adults to learn self-cultivation at any time, and there is no end ~