No individual has done more to help me pursue a career in science than my wife of forty-five years. I met Enid Cassandra Morgan during the election campaign of 1948 when she was a Sunday school teacher, a leader of the youth organizations of St. Phillips Episcopal Church, and the head of Harlem Youth for the election of Henry Wallace.

My education in the public schools of New York City between 1932 and 1944 was an excellent preparation for a life in science. Because of the Depression, these schools were able to attract a remarkably talented and dedicated collection of teachers who encouraged their students to strive for the highest levels of accomplishment.

In 1890, nearly everyone died on the job, and if they lived long enough not to die on the job, the average age of retirement was 85.

Remember, what does 'retirement' mean? It doesn't mean that you're a couch potato. Leisure is not the same thing as rest. If you're bicycling five miles a day, that's leisure, but it certainly takes a lot of effort.

As long as the Internet economy continues to grow, Stripe will continue to grow.

We all live such digital lives, there is no reason why we should not import this into our company.

Software options proliferate extremely easily - too easily, in fact - because too many options create tools that can't ever be used intuitively. Intuitive actions confine the detail work to a dedicated part of the brain, leaving the rest of one's mind free to respond with attention and sensitivity to the changing texture of the moment.

There are so many ways now that people contribute through the Internet. We vet all of our contributions, and when something doesn't meet our requirements or a donation exceeds the amount that's allowed by the law, we return it.