Professors teaching literature would rather be producing it. Professors teaching math are producing it. - Paul Graham

it was not till the Industrial Revolution that wealth creation definitively replaced corruption as the best way to get rich.

Someone asked what's the most underappreciated quality in startup founders. I realized I could answer this by asking what's the most underappreciated aspect of startups. That's easy: how hard they are. So the most underappreciated quality in founders is sheer toughness.

It's a mistake to treat investors' reasons for rejecting you as a guide to what you need to focus on, for three separate reasons: (a) much of the time they're lying, (b) when they're not, they're often mistaken, and (c) fundraising is not the primary goal anyway.