Nobody knows how the stand of our knowledge about the atom would be without him. Personally, [Niels] Bohr is one of the amiable colleagues I have met. He utters his opinions like one perpetually groping and never like one who believes himself to be in possession of the truth.

It is intelligent to have a plan, but neurotic to fall in love with it.

Figuring out how to think about the problem.

The world needs heroes and it's better they be harmless men like me than villains like Hitler

A bartender is just a pharmacist with a limited inventory.

He who has never been deceived by a lie does not know the meaning of bliss.

Keep on sowing your seed, for you never know which will grow - perhaps it all will.