An expert must be BOLD if he hopes to alchemize his homespun theory into conventional wisdom.

The conventional wisdom is often wrong.

No matter how expert you may be, well-designed checklists can improve outcomes.

Morality, it could be argued, represents the way that people would like the world to work, wheareas economics represents how it actually does work.

An incentive is a bullet, a key: an often tiny object with astonishing power to change a situation

When people don’t pay the true cost of something, they tend to consume it inefficiently.

Solving a problem is hard enough; it gets that much harder if you’ve decided beforehand it can’t be done.

Purity is a good mask for corruption because it discourages inquiry.

Data, I think, is one of the most powerful mechanisms for telling stories. I take a huge pile of data and I try to get it to tell stories.

If you own a gun and have a swimming pool in the yard, the swimming pool is almost 100 times more likely to kill a child than the gun is.

Scarcity is a captivating book, overflowing with new ideas, fantastic stories, and simple suggestions that just might change the way you live.

All stories end when they have returned to their beginnings.

The temptation of the age is to look good without being good.

A man that is afraid is never a man.

This was the truth at the core of my existence: this yawning emptiness, scantily clad in rage. It had been there all along.

From the first time we met, we knew everything that mattered about each other, didn't we? We just knew. I guess that's what best friends are: parts of each other.

A book is valuable not only for what it says but for what it makes you think, or causes you to remember. No matter what you wish to do or become there are books to teach you, help you, guide you.

We must maintain the integrity of the White House, and that integrity must be real, not transparent. There can be no whitewash at the White House.

The fears you don't face imprison you.

The real leadership of the opposition is never, ever gonna do anything but continue to ramp up efforts to stop [Donald] Trump or destroy Trump.

The spirit of a youth That means to be of note, begins betimes.