On engagement, we're already seeing that mobile users are more likely to be daily active users than desktop users. They're more likely to use Facebook six or seven days of the week.

The biggest risk is not taking any risk.

Don't discount yourself, no matter what you're doing. Everyone has a unique perspective that they can bring to the world.

I think a simple rule of business is, if you do the things that are easier first, then you can actually make a lot of progress.

Move fast, take risks, it's okay to try big things you're better off trying something and having it not work and learning from that than having not done anything at all.

The biggest risk is not taking any risk... In a world that changing really quickly, the only strategy that is guaranteed to fail is not taking risks.

People have really gotten comfortable not only sharing more information and different kinds, but more openly and with more people - and that social norm is just something that has evolved over time.

When you want to change things, you can't please everyone. If you do please everyone, you aren't making enough progress.

My number one piece of advice is: you should learn how to program.

If things aren’t breaking, then you’re not moving fast enough. People learn by making mistakes.

People think innovation is just having a good idea but a lot of it is just moving quickly and trying a lot of things.

To achieve something is better than not achieving.

I love sitting down and talking to people. CNBC gave me a chance to do it in a way that I liked. They gave me a chance to also develop the skills to learn from my mistakes.

The Monster’s crimes were so horrific that a mere man could not possibly have committed them. Satan, in the end, had to be invoked.

[The Moon] was a sobering sight, but it didn't have the impact on me, at least, as the view of the Earth did.

I spend money on war because it is necessary, but to spend it on science, that is pleasant to me. This object costs no tears; it is an honour to humanity

When you go home, tell them of us and say, for their tomorrow we gave our today.

Good theater is not what is expected, but what surprises.

I learned music listening to Elvis' records. His measurable effect on culture and music was even greater in England than in the States.

Confidence, of course is an admirable asset to a golfer, but it should be an unspoken confidence. It is perilous to put it into speech. The gods of golf lie in wait to chasten the presumptious.

Subjectivity means to catch yourself in the act.