Sex and religion are closer to each other than either might prefer. (Saint Thomas Moore)

He who has a ‘why’ to live, can bear with almost any ‘how’. (Friedrich Nietzsche)

Only two things are infinite, the universe and human stupidity, and I’m not sure about the former. (Albert Einstein)

Each problem that I solved became a rule which served afterwards to solve other problems. (Rene Descartes, Discours de la Methode)

The fundamental cause of trouble in the world is that the stupid are cocksure while the intelligent are full of doubt. (Bertrand Russell)

When you do the common things in life in an uncommon way, you will command the attention of the world. (George Washington Carver)

Black holes are where God divided by zero. (Steven Wright)

I’m all in favor of keeping dangerous weapons out of the hands of fools.Let’s start with typewriters. (Frank Lloyd Wright)

The optimist proclaims that we live in the best of all possible worlds, and the pessimist fears this is true. (James Branch Cabell)

Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth. (Sherlock Holmes (by Sir Arthur Conan Doyle, 1859-1930))