Stupidity is the only natural capital offense.

Spacemen die if they stay in one place.

If tempted by something that feels 'altruistic,' examine your motives and root out that self-deception. Then, if you still want to do it, wallow in it!

Logic is a feeble reed, friend.

Humans hardly ever learn from the experience of others. They learn - when they do, which isn't often - on their own, the hard way.

Anyone who can worship a trinity and insist that his religion is a monotheism can believe anything.

The more you love, the more you can love--and the more intensely you love. Nor is there any limit on how many you can love. If a person had time enough, he could love all of that majority who are decent and just.