“Tell your son to stop trying to fill your head with science — for to fill your heart with love is enough.”

The first principle is that you must not fool yourself and you are the easiest person to fool.

I think we should teach them [the people] wonders and that the purpose of knowledge is to appreciate wonders even more.

I have no responsibility to live up to what others expect of me. That’s their mistake, not my failing.

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

I learned from my father to translate: everything I read I try to figure out what it really means, what it’s really saying.

You can’t say A is made of B or vice versa. All mass is interaction.

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

But there is nothing in biology yet found that indicates the inevitability of death.

A philosopher once said, It is necessary for the very existence of science that the same conditions always produce the same results. Well, they don’t!

I couldn’t claim that I was smarter than sixty-five other guys-but the average of sixty-five other guys, certainly!

Science is a way of trying not to fool yourself. The principle is that you must not fool yourself, and you are the easiest person to fool.

It doesn’t matter how beautiful your theory is, it doesn’t matter how smart you are. If it doesn’t agree with experiment, it’s wrong.

Science is like sex: sometimes something useful comes out, but that is not the reason we are doing it.

I’d hate to die twice. It’s so boring.

I a universe of atoms, an atom in the universe.

Nature has a great simplicity and therefore a great beauty

If there is no love more in yonder heart, it is but a corpse unburied.

Do not let the heart think you’re the only tricky trick on the right.

A wise man should have money in his head, but not in his heart.

I cast my heart into my rhymes, That you, in the dim coming times, May know how my heart went with them After the red-rose-bordered hem.

The brain may take advice, but not the heart.

Open my heart, and you will see Graved inside of it ‘Italy.’

It’s not the gods But our own hearts We need to fear. The evil starts Against all odds Not there but here.

I’d rather sing one wild song and burst my heart with it, than live a thousand years watching my digestion and being afraid of the wet.