Curious things, habits. People themselves never knew they had them. [Witness for the Prosecution, also published in The Hound of Death and Other Stories.]
If only-if only, Hastings, you would part your hair in the middle instead of at the side! What a difference it would make to the symmetry of your appearance. And your moustache. If you must have a moustache, let it be a real moustache-a thing of beauty such as mine.
No, my friend, I am not drunk. I have just been to the dentist, and need not return for another six months! Is it not the most beautiful thought? --Poirot
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, isn't it?