There's plenty of room at the bottom.

But there is nothing in biology yet found that indicates the inevitability of death.

If you have any talent, or any occupation that delights you, do it, and do it to the hilt. Don't ask why, or what difficulties you may get into.

By honest I don't mean that you only tell what's true. But you make clear the entire situation. You make clear all the information that is required for somebody else who is intelligent to make up their mind.

I'm smart enough to know that I'm dumb.

All the time you're saying to yourself, 'I could do that, but I won't,'--which is just another way of saying that you can't.

If all of mathematics disappeared, physics would be set back by exactly one week.