Age is not an accomplishment, and youth is not a sin.

Never cast pearls before swine.

In this complex world, the scientific method, and the consequences of the scientific method are central to everything the human race is doing and to wherever we are going.

Sin is cruelty and injustice, all else is peccadillo. Oh, a sense of sin comes from violating the customs of your tribe. But breaking custom is not sin even when it feels so; sin is wronging another person.

Happiness consists in getting enough sleep. Just that, nothing more.

Never underestimate the power of human stupidity.

It's up to the artist to use language that can be understood, not hide it in some private code... obscurity is usually the refuge of incompetence.