By periodically investing in an index fund, the know-nothing investors can actually outperform most investment professionals.

Would you rather be the world's greatest lover, but have everyone think you're the world's worst lover? Or would you rather be the world's worst lover but have everyone think you're the world's greatest lover? Now, that's an interesting question.

If you don't find a way to make money while you sleep, you will work until you die.

Does the business have favourable long term prospects?

I mean, you know, you're not going to change the human animal. And the human animal really doesn't get a lot smarter.

There seems to be some perverse human characteristic that likes to make easy things difficult.

Mr. Market is kind of a drunken psycho. Some days he gets very enthused, some days he gets very depressed. And when he get really enthused you sell to him, and if he gets depressed, you buy from him. There's no moral taint attached to that.