The world is changed by your example, not by your opinion.
"A book is a journey you can take without leaving your chair."
The more personal the art, the more universal it becomes.
Life is too short to drink bad wine or read bad books.
Fools are the ones who cannot change their minds.
做数学的艺术在于找到包含所有普遍性萌芽的特殊情况。