The biggest different between money and time: you always know how much money you have but you never know how much time you have.

Science can lift people out of poverty and cure disease. That, in turn, will reduce civil unrest.

We don't grow older, we grow riper.

Live for yourself and you will live in vain. Live for others, and you will live again.

If you're lonely when you're alone, you're in bad company.

The more I learn about people, the more I like my dog.

Success is not about getting everything; it's about appreciating and enjoying what you already have.