You have to have confidence in your ability, and then be tough enough to follow through.

The study of Galois representations is a key to unlocking the mysteries of the Langlands program.

Fools ignore complexity. Pragmatists suffer it. Some can avoid it. Geniuses remove it.

天籁，风吹万窍声音不同，都是自由自在地发声或停止，毋需外力的支配。