Done is better than perfect.

But I really believe that when you give people authentic identity, which is what Facebook does, and you can be your real self and connect with real people online, things will change.

And in situations where a man and a woman each receive negative feedback, the woman's self-confidence and self-esteem drop to a much greater degree. The internalization of failure and the insecurity it breeds hurt future performance, so this pattern has serious long-term consequences.

I have never worked for a woman, and I have never worked with a lot of women.

we compromise our career goals to make room for partners and children who may not even exist yet

We hold ourselves back in ways both big and small, by lacking self-confidence, by not raising our hands, and by pulling back when we should be leaning in.

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