"In writing, a good guy must never break any of the Ten Commandments. A bad guy must break every one. That's why writing female characters is so much fun. They're not GUYS at all."

"Laws and a settled decision procedure to generate them are a good thing. This gives us one important reason for obeying the law. By obeying the law, I can contribute to the respect in which the established decision procedure and the laws are held. By disobeying, I set an example to others that may lead them to disobey too."

"The first two-dimensional images were thus not two-dimensional representations of three-dimensional things in the material world, as researchers have always assumed. Rather, they were ‘fixed’ mental images."

"Permanence of instinct must go with permanence of form...The history of the present must teach us the history of the past.[Referring to studying fossil remains of the weevil, largely unchanged to the present day.]."

"When you come to examine into the actuating motives for any line of human endeavor you will find that vanity figures about ninety per cent directly or indirectly, in the assay."