If I was your wife Sir, I'd poison you! Madam, if you were my wife, I'd let you!

Apt analogies are among the most formidable weapons of the rhetorician.

If you want me to speak for two minutes, it will take me three weeks of preparation. If you want me to speak for thirty minutes, it will take me a week to prepare. If you want me to speak for an hour, I am ready now.

It would be an inconvenient rule if nothing could be done until everything can be done.

Everyone threw the blame on me ... they nearly always do. I suppose ... they think I shall be able to bear it best.

You create your own universe as you go along. The stronger your imagination, the more variegated your universe. When you leave off dreaming, the universe ceases to exist.

I did not like the man [Niels Bohr] when you showed him to me, with his hair all overhis head.