... for the top twenty most valuable YC companies, all of them have at least two founders.

No matter what you choose, build stuff and be around smart people.

You can create value with breakthrough innovation, incremental refinement, or complex coordination. Great companies often do two of these. The very best companies do all three.

Founders are usually very stingy with equity to employees and very generous with equity to investors. I think this is totally backwards.

Obsess about the quality of the product.

In general don't start a startup you're not willing to work on for ten years.

Everyone starting a startup for the first time is scared, and everyone feels like a bit of an imposter.

No growth hack, brilliant marketing idea, or sales team can save you long term if you don't have a sufficiently good product.

You have to be decisive. Indecisiveness is a startup killer.

Execution gets divided into two key questions: 1) can you figure out what to do and 2) can you get it done.

If you don't need it yourself, and you're building something that someone else needs, realize you're at a big disadvantage.

Un archeologo è il miglior marito che una donna possa avere: più lei diventa vecchia, più lui s'interessa a lei.

The only limitation we have is the limitation of the mind

It’s not stress that kills us, it’s our reaction to it.

If a man hasn’t found something he will die for, he isn’t fit to live.

God will begin to prosper you, for money always follows righteousness.

Better to die for my people in my own land than rule in another and suffer a lifetime of cowardly guilt.

Large flocks of butterflies, all kinds of happy insects, seem to be in a perfect fever of joy and sportive gladness.

Why do I love writing? I can be who I want, do what I want, hurt who I want, and make the world over, just the way I'd love to have it.

Ambition, having reached the summit, longs to descend.

Fishing is not a benign activity; it is hunting in the water.