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.

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

I am guilty of the great crime of optimism.

No endeavor that is worthwhile is simple in prospect; if it is right, it will be simple in retrospect.

Life improves slowly and goes wrong fast, and only catastrophe is clearly visible.

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