[It's] troubling because it reminds us how difficult it is to prove anything. We like to pretend that our experiments define the truth for us. But that's often not the case. Just because an idea is true doesn't mean it can be proved. And just because an idea can be proved doesn't mean it's true. When the experiments are done, we still have to choose what to believe.

For too long, we've assumed that there is a single template for human nature, which is why we diagnose most deviations as disorders. But the reality is that there are many different kinds of minds. And that's a very good thing.

People assume that they perceive reality as it is, that our senses accurately record the outside world. Yet the science suggests that, in important ways, people experience reality not as it is, but as they expect it to be.

It doesn't matter if people are playing jazz or writing poetry. If they want to be successful, they need to learn how to persist and persevere and keep on working until the work is done... I bet there isn't a single highly successful person who has not depended on grit. Nobody is talented enough to not have to work hard, and that's what grit allows you to do.

Rejection process is not fun. It's the red pen on the page, the discarded sketch, sometimes is the only way forward.

Harlow would later write, "If monkeys have taught us anything, it's that you've got to learn how to love before you learn how to live.

A lie told well is just as good as the truth.