The world won't remember what you say, but it will never forget what you do.
A vida é o que fazemos dela. As viagens são os viajantes. O que vemos não é o que vemos, senão o que somos.
The longer I live the more I see that I am never wrong about anything, and that all the pains I have so humbly taken to verify my notions have only wasted my time.
科学不仅仅在于积累事实，而在于对其精神的深入理解。
Nothing is funnier than unhappiness.