1.? When he was young, Ling Yunzhi dared to laugh at Huang Chao's husband.

2.? Have a good knowledge and take it, but accumulate it and make it thin.

3.? How big is the thought, how big is the energy.

4.? Human energy = thought+the square of the speed of action.

1.? The sword front comes from sharpening, and the plum blossom fragrance comes from bitter cold.

2.? An old horse crouches, aiming at a thousand miles. A martyr is full of courage in his twilight years.