Age does not bring wisdom... but it does give perspective... and the saddest sight of all is to see, far behind you, temptations you've resisted.

Get a shot off fast. This upsets him long enough to let you make your second shot perfect.

Remember this: once the human race is established on more than one planet and especially, in more than one solar system, there is no way now imaginable to kill off the human race.

The extremely tiny fraction who think regularly, accurately, creatively, and without self-delusion - in the long run, these are the only people who count.

There are perhaps 5% of the population that simply can't think. There are another 5% who can, and do. The remaining 90% can think, but don't

If men were the automatons that behaviorists claim they are, the behaviorist psychologists could not have invented the amazing nonsense called 'behaviorist psychology.'

What a wonderful world it is that has girls in it!