Insanity: doing the same thing over and over again and expecting different results.
One thing I've learned in all these years is not to make love when you really don't feel it; there's probably nothing worse you can do to yourself than that.
People will buy anything that is one to a customer.
Never read a book through merely because you have begun it.
Walking is the best possible exercise. Habituate yourself to walk very far.
Even the best of friends need time apart.
Plans are only good intentions unless they immediately degenerate into hard work.