When the man is traveling with a man, he says, "Let's stay up late and work on this and get this to be better." When the man's traveling with the woman, for the sake of appearances he doesn't do the work with her. That's a lost opportunity for her to be a success.

Feeling confident - or pretending that you feel confident - is necessary to reach for opportunities. It's a cliché, but opportunities are rarely offered; they're seized.

We cannot change what we are not aware of, and once we are aware, we cannot help but change.

What works for men does not always work for women, because success and likability are positively correlated for men and negatively correlated for women. That's what the research shows. As a man gets more successful, everyone is rooting for him. As a woman gets more successful, both men and women like her less.

The No. 1 impediment to women succeeding in the workforce is now in the home.

And anyway, who wears a tiara on a jungle gym?

Women don't take enough risks. Men are just 'foot on the gas pedal.' We're not going to close the achievement gap until we close the ambition gap.