Fool-proof implies a finite number of fools. Life is unsure, always eat your dessert first. LSD melts your mind, not in your hand. Time may be a great healer, but it's a lousy beautician. It has yet to be proven that intelligence has any survival value.
Cloning is the sincerest form of flattery.
The bigger they are, the harder they hit. Don't tell everything you know. Nothing is so simple that it can't be screwed up. Join the army, meet interesting people, and kill them. A man who smiles when things go wrong knows who to blame.