"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."

The role of business is to produce products and services that make people's lives better—while using fewer resources—and to act lawfully and with integrity.

The past is not dead; it is not even past.

The better we get at getting better, the faster we will get better.

科学不在于正确，而在于减少错误。