Everything that can be invented, has been invented. - 1899.

Saying that Windows95 is equal to Macintosh is like finding a potato that looks like Jesus and believing you've witnessed the second coming.

I got the bill for my surgery. Now I know what those doctors were wearing masks for.

The great tragedy of science - the slaying of a beautiful hypothesis by an ugly fact.

Science is simply common sense at its best, that is, rigidly accurate in observation, and merciless to fallacy in logic.

People think of the inventor as a screwball, but no one ever asks the inventor what he thinks of other people.