Agatha Christie, fully Dame Agatha Miller Christie

The secret of getting ahead is getting started.

Curious things, habits. People themselves never knew they had them.

I learned… that one can never go back, that one should not ever try to go back--that the essence of life is going forward. Life is really a One Way Street.

The gap between theory and practice is a wide one.

To say that every crime brings its own punishment is by way of being a platitude, and yet in my opinion nothing can be truer.

One is left with the horrible feeling now that war settles nothing; that to win a war is as disastrous as to lose one.