You do not know anything until you have practiced.

Physics is to mathematics what sex is to masturbation.

I think a power to do something is of value. Whether the result is a good thing or a bad thing depends on how it is used, but the power is a value.

It is important to realize that in physics today, we have no knowledge of what energy is

The highest forms of understanding we can achieve are laughter and human compassion.

We are trying to prove ourselves wrong as quickly as possible, because only in that way can we find progress.

For those who want some proof that physicists are human, the proof is in the idiocy of all the different units which they use for measuring energy.