创造力的奥秘如同自由的奥秘。
The mystery of creativity is like the mystery of freedom.
Mathematics is a collaborative endeavor. No one does it alone.
死者既已安葬,活着的人就不要长久地哭泣,而应该尽快做事,每个人都做自己能做的事,并用来使大家互利。
The stupid believe that to be truthful is easy; only the artist, the great artist, knows how difficult it is.
The thrill of discovery never gets old.