There is enough energy in a single cubic meter of space to boil all the oceans in the world.

I learned very early the difference between knowing the name of something and knowing something.

I think I can safely say that nobody understands Quantum Mechanics.

While I am describing to you how Nature works, you won't understand why Nature works that way. But you see, nobody understands that.

It does not matter who you are, or how smart you are, or what title you have, or how many of you there are, and certainly not how many papers your side has published, if your prediction is wrong then your hypothesis is wrong. Period.

Science is the belief in the ignorance of experts.

The real problem in speech is not precise language. The problem is clear language.