America is a large, friendly dog in a very small room. Every time it wags its tail, it knocks over a chair. Anxiety and conscience are a powerful pair of dynamos. Between them, they have ensured that one shall work hard, but they cannot ensure that one will work at anything worthwhile.
Civilization is a movement, not a condition; it is a voyage, not a harbor.
The supreme accomplishment is to blur the line between work and play.
We have been God-like in our planned breeding of our domesticated plants and animals, but we have been rabbit-like in our unplanned breeding of ourselves.