If I see what you're up to on Facebook but I don't see your updates on Flickr, I'll still care about Facebook.

The single most important top-level trend is the shift to mobile.

Ignore your mistakes. The number one thing to worry about is -Am I doing what I'm good at?

You can have successful teams where people hate but deeply respect each other; the opposite (love but not respect among team members) is a recipe for disaster.

Having a highly homogeneous background, education, values, preferences, etc, in the very early team is better than not - cuts down on time-wasting arguments.

The world is now awash in data and we can see consumers in a lot clearer ways.

We're all put on Earth for a limited amount of time. Am I using in a way that is great, or good enough, or wasteful?

The notion that diversity in an early team is important or good is completely wrong. You should try to make the early team as non-diverse as possible.

Being an entrepreneur is not about being in love with an idea, it's about being in love with running a company.

You can't get married to any one particular plan. That is the biggest lesson I learned at PayPal.

Facebook is so ubiquitous now that it's like another manifestation of the web itself.

When two people marry they become in the eyes of the law one person, and that one person is the husband.

Most men go through life unchallenged, except at the final moment.

This whole urban rap thing needs to be pulled back some. The ghetto is being glorified, and there's nothing good about the ghetto except getting out of one.

Ultimately, thinking is a very inefficient method of processing data.

I want our pie to grow all the people, but if some other guy's pie is growing a little faster, that's terrific.

I believe that anything in this world is fair game for a creative exercise.

As my I guess, career's advancing, for lack of a better word, I'm becoming a lot more passionate for the jobs that I do. So, it becomes easier when you like what you do.

The laws of supply and demand drive up the price, inevitably, over time. But solar and wind are abundant and renewable resources.

Animals are nothing but the portrayal of our virtues and vices made manifest to our eyes, the visible reflections of our souls.

Sweet is the lore which Nature brings; Our meddling intellect Mis-shapes the beauteous forms of things: We murder to dissect.