I'm not afraid of falling because I know I'll rise again.

The advantages found in history seem to be of three kinds， as they result either from the mere situation of the climate and country or from the form of government and of the character of the people， or from those finer principles and morals， which may be called the recommendations of philosophy.

我不是和平，我是战争。

True strength comes from overcoming the obstacles we thought we couldn't get past.

The best way to learn mathematics is to do mathematics.