To understand oneself is to understand the world.
Every problem in mathematics is an opportunity to learn something new.
"Light is the key. Without light, there is no image."
The world is in a constant state of flux. Nothing remains the same from one moment to the next. You can never step into the same river twice.
也许世界上也有五千朵和你一模一样的花,但只有你是我独一无二的玫瑰。
The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
The only thing that is truly yours is your dreams.
"The joy of drawing is in the doing, not in the finished product."