There are two different types of people in the world, those who want to know, and those who want to believe.
To call woman the weaker sex is a libel; it is man's injustice to woman.
If I were not a physicist, I would probably be a musician. I often think in music. I live my daydreams in music. I see my life in terms of music.
God created war so that Americans would learn geography.
The greatness of a nation and its moral progress can be judged by the way its animals are treated.
The best way to find yourself is to lose yourself in the service of others.