幸福不是现成的,它来自于你自己的行动。
Happiness is not something ready made. It comes from your own actions.
The best science is done with both the head and the heart.
Human kindness has never weakened the stamina or softened the fiber of a free people. A nation does not have to be cruel to be tough.
Data tells you what's happening, but only intuition can tell you why.
Beauty is not the goal of art, but its byproduct.