One learns to skate only by going through the stage of stumbling around and making oneself look like a fool. ——Bernard Shaw (English)

●How can a person know himself? Not by thinking, but by doing. ——Goethe (Germany)

●Practice is a great whistleblower, it exposes all deception and self-deception. ——Chernyshevsky (Russia)

●If a knowledgeable person does not practice, it is equivalent to a bee not making honey. ——Saadi (Persia)

●Not hearing is worse than hearing it, hearing it is worse than seeing it, seeing it is worse than knowing it, and knowing it is worse than doing it. ——Xun Kuang (Warring States Period)

●What you hear with your ears is not as good as what you see with your eyes, what you see with your eyes is not as good as practicing it with your feet, and what you practice with your feet is not as good as discerning it with your hands. ——Liu Xiang (Han)

●Seeing is better than hearing a hundred times. ——Ban Gu (Chinese)

●You can only see things on paper but you still know that you have to do it in detail. ——Lu You (Song Dynasty)

●The things in the world are not as detailed as those who hear them, and those who see them are not as thorough as those who live there. ——Lu You (Song Dynasty)

●If you can say something, you can do something; if you can do something, you can know something. This is called true knowledge.

If you just talk but don't do it, you will end up confused when things happen

——Wang Tingxiang (Ming Dynasty)