One who scorns the power of intuition will never rise above the ranks of journeyman calculator.

Falling in love is not at all the most stupid thing that people do - but gravitation cannot be held responsible for it.

We cannot despair about mankind knowing that Mozart was a man.

Only six men in the world know about relativity. I am not one of them. When I ask them to explain, they confused me.

A large part of our attitude toward things is conditioned by opinions and emotions which we unconsciously absorb as children from our environment. In other words, it is tradition—besides inherited aptitudes and qualities—which makes us what we are. We but rarely reflect how relatively small as compared with the powerful influence of tradition is the influence of our conscious thought upon our conduct and convictions.

Politics is far more complicated than physics.

Assumptions are made and most assumptions are wrong.