If you want real peace in the world， start with children.

行为不应被视为仅仅是肌肉收缩的链条，而应被视为有目的和认知的活动。

History does not repeat itself, but it recurs in different forms.

The pursuit of mathematical knowledge is a never-ending adventure, filled with challenges, surprises, and the satisfaction of solving the unsolvable.

人类的灵魂需要真正的美，比需要面包更甚。