Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.
翻译:事物发展到了极点,就要发生变化,发生变化,才会使事物的发展不受阻塞,事物才能不断的发展。
The artist must be a witness to the sacred.
The biggest risk is not taking one.
The only way to keep improving is to stay hungry.