Each problem that I solved became a rule which served afterwards to solve other problems.

It is only prudent never to place complete confidence in that by which we have even once been deceived.

—Rene Descartes

The first precept was never to accept a thing as true until I knew it as such without a single doubt.

—Rene Descartes

It is not enough to have a good mind. The main thing is to use it well.

—Rene Descartes

I think; therefore I am.

—Rene Descartes

It is not enough to have a good mind; the main thing is to use it well.

—Rene Descartes

Dads are the appendix of humanity. They should just be taken out before they start causing problems.

—Nick Burd in The Vast Fields of Ordinary

Everyone has their own problems. Some of them are awful and tragic, and if you knew what they were, you'd be grateful for the ones you have.

—Karen Kilgariff in Stay Sexy & Don't Get Murdered

Some people don't like being happy. They're much more comfortable when they have a problem.

—Elin Hilderbrand in The Beach Club

Don't think about the problems. Think about the possibilities. This could be the beginning of something amazing.

—Barbara Freethy in Golden Lies