If you think you understand it, that only shows that you don't know the first thing about it.

Anyone not shocked by quantum mechanics has not yet understood it.

How wonderful that we have met with a paradox. Now we have some hope of making progress.

Those who are not shocked when they first come across quantum theory cannot possibly have understood it.

All rising curves that show unwelcome trends in human affairs will approach infinity if extended far enough, but it is we who dictate the curve and not vice versa.

Sometimes the child in one behaves a certain way and the rest of oneself follows behind, slowly shaking its head.

When we measure something we are forcing an undetermined, undefined world to assume an experimental value. We are not measuring the world, we are creating it.