Aiming for perfection causes frustration at best and paralysis at worst.

We know when we use the full talents of our population we're more productive. And we know that when people really feel like they can have flexible lives, they're better employees.

Don't be afraid to ask the 'dumb' question, everyone else will be relieved you had the guts to ask!

We [Facebook] really believe in enabling people to be their authentic selves on the web, and enabling people to communicate directly with each other in a very personal way.

I would love to meet J.K. Rowling and tell her how much I admire her writing and am amazed by her imagination. I read every 'Harry Potter' book as it came out and looked forward to each new one. I am rereading them now with my kids and enjoying them every bit as much. She made me look at jelly beans in a whole new way.

I just believed. I believed that the technology would change people's lives. I believed putting real identity online - putting technology behind real identity - was the missing link.

It's hard to visualize someone as a leader, if she is always waiting to be told what to do.