When you find that people are not telling you the truth---look out!

I have no pity for myself either. So let it be Veronal. But I wish Hercule Poirot had never retired from work and come here to grow vegetable marrows.

Nobody knows what another person is thinking. They may imagine they do, but they are nearly always wrong.

Nobody believes in magicians any more, nobody believes that anyone can come along and wave a wand and turn you into a frog. But if you read in the paper that by injecting certain glands scientists can alter your vital tissues and you'll develop froglike characteristics, well, everybody would believe that.

To every problem, there is a most simple solution.

A weak man in a corner is more dangerous than a strong man.

It is curious - but you cannot make a revolution without honest men. ... Every revolution has had its honest men. They are soon disposed of afterwards.