Unless you are good at guessing, it is not much use being a detective.

One must make one's own mistakes

If anyone is really determined to lend you a book, you never can get out of it!

I have always admired the Esquimaux (Eskimos). One fine day a delicious meal is cooked for dear old mother, and then she goes walking away over the ice, and doesn't come back.

Very few of us are what we seem.

What good is money if it can't buy happiness?

Ideas are like everything else. They've got to be marketed.