The way to right wrongs is to turn the light of truth upon them.
Happiness is not something that happens. It is not the result of good fortune or random chance. It is not something that money can buy or power command. It depends not on what happens outside of you, but on what happens inside of you.
读经书，阅传注，就为治学打下坚实基础；看史籍，鉴古今，就使宏论滔滔切中肯綮；游山川，观壮景，就使志气凌云眼界开阔；戒嗜好，弃私欲，就使胸怀磊落一尘不染。
要将一个国家从最低级的野蛮状态带到最高度的富裕，所需的几乎只有和平、低税收和较为合理的司法管理。
The greatest danger to American agriculture is the loss of the family farm.
科学是现实的诗歌。
我不知道我是否有哲学。我只是尽力写出最好的书。