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

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

For a successful technology, reality must take precedence over public relations, for nature cannot be fooled.

Religion is a culture of faith; science is a culture of doubt.

You can know the name of a bird in all the languages of the world, but when you're finished, you'll know absolutely nothing whatever about the bird... So let's look at the bird and see what it's doing -- that's what counts.

Physics isn't the most important thing. Love is.

I would rather have questions that can't be answered than answers that can't be questioned.

If you thought that science was certain - well, that is just an error on your part.

Philosophy of science is about as useful to scientists as ornithology is to birds.

It is often in the darkest skies that we see the brightest stars.

It has become almost a cliché to remark that nobody boasts of ignorance of literature, but it is socially acceptable to boast ignorance of science and proudly claim incompetence in mathematics.

Faith can be very very dangerous, and deliberately to implant it into the vulnerable mind of an innocent child is a grievous wrong.