You should never go to a meeting or make a telephone call without a clear idea of what you are trying to achieve.

A lot of people are focused on taking over the world or doing the biggest thing and getting the most users. I think part of making a difference and doing something cool is focusing intensely.

The world is changing so quickly, with mobile stuff and different platforms emerging, that I think it's more likely that the biggest competitor for Facebook is someone that we haven't heard of. What that means for us is that we should just really stay focused on what we're doing.

In a world suffering from mental stress, yoga promises calm. In a distracted world, yoga creates focus, creates concentration. In a world of fear, yoga promises strength and courage. A healthy body and a disciplined mind are the foundations of a world free from fear. In crafting a new self through Yoga, we create a new world.

Do not try to do everything. Do one thing well.

If I have ever made any valuable discoveries, it has been due more to patient attention, than to any other talent.