People will choose unhappiness over uncertainty.

People don’t want to be millionaires — they want to experience what they believe only millions can buy.

To be functionally fluent in a language, for instance, in most cases you need about 1,200 words. To acquire a total of vocabulary words, if you really train someone well they can acquire 200 to 300 words a day, which means that in a week they can acquire the vocabulary necessary to speak a language.

World barista champions use the AeroPress to make coffee on the folding tray tables of airplanes.

Flavor is, counterintuitively, less than 10% taste and more than 90% smell.

I gauge success in years, not weeks. The weekend box-office approach to book launches is short sighted and encourages crappy books.