Intelligence is usually easy to tell in a 10-minute conversation. Determination is harder.

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.

Don’t waste your energy & time on things you cannot change, instead pray & change your luck.

Strange, how being left out of a secret always feels like a betrayal of trust.

When I was a kid... I don't know which was more embarrassing, when I was really into The Beatles or when I was a hippie.

I refuse to be pushed around anymore.

The world is a better place when America is willing to lead.

The less we read, the more harmful it is what we read.

I'm Irish, so I'm messing all the time. Which means, I'm having a laugh. I'm always making jokes.

[Pope Francis] lashed out against what he called malevolent resistance to his reforms.

Prayer is and remains always a native and deepest impulse of the soul of man.