U.S. has lost a battle more important and greater than Pearl Harbor.

There is a time for scientists and movie stars and those who have flown the atlantic to restrain their opinions lest they be taken more seriously than they should be.

When you're certain you cannot be fooled, you become easy to fool.

If anyone wants a hole in the ground, nuclear explosives can make big holes

The best weapon of a dictatorship is secrecy; the best weapon of a democracy is openness.

Today, nothing is unusual about a scientific discovery's being followed soon after by a technical application: The discovery of electrons led to electronics; fission led to nuclear energy. But before the 1880's, science played almost no role in the advances of technology. For example, James Watt developed the first efficient steam engine long before science established the equivalence between mechanical heat and energy.

I claim that relativity and the rest of modern physics is not complicated. It can be explained very simply. It is only unusual or, put another way, it is contrary to common sense.