When people discover they are no good at baseball or hockey, they put away their bats and their skates and they take up amateur golf or stamp collecting or gardening. But when people discover they are no good at picking stocks, they are likely to continue to do it anyway.

Investing is fun and exciting, but dangerous if you don't do any work.

Just because you buy a stock and it goes up does not mean you are right. Just because you buy a stock and it goes down does not mean you are wrong.

The junior high schools and high schools of America have forgotten to teach one of the most important courses of all. Investing.

My high-tech aversion caused me to make fun of the typical biotech enterprise: $100 million in cash from selling shares, one hundred Ph.D.'s, 99 microscopes, and zero revenues.

Most investors would be better off in an index fund.

You can't see the future through a rearview mirror