It often seems to me that's all detective work is, wiping out your false starts and beginning again." Yes, it is very true, that. And it is just what some people will not do. They conceive a certain theory, and everything has to fit into that theory. If one little fact will not fit it, they throw it aside. But it is always the facts that will not fit in that are significant.

If you place your head in a lion's mouth, then you cannot complain one day if he happens to bite it off.

To feel admiration for a man all through one's married life would, I think, be excessively tedious.

Your not reliable. You wouldn't be at all a comfortable sort of person to live with.

I know there's a proverb which that says 'To err is human,' but a human error is nothing to what a computer can do if it tries.

If I were at any time to set out on a career of deceit, it would be of Miss Marple that I should be afraid.

Where large sums of money are concerned, it is advisable to trust nobody.