The only way in which a nation can make itself wealthy and prosperous is by good housekeeping: that is, by providing for its wants in the order of their importance, and allowing no money to be wasted on whims and luxuries until necessities have been thoroughly served.

Property is organized robbery.

Atrocities are not less atrocities when they occur in laboratories and are called medical research.

This is my father. Try what you can with him! He won't listen to me, because he remembers what a fool I was when I was a baby.

German and Spanish are accessible to foreigners: English is not accessible even to Englishmen.

You see things and you say, 'Why?'. But I dream things and I say, 'Why not?'.

Treat a friend as a person who may someday become your enemy; an enemy as a person who may someday become your friend.