I've learned that you can't control what other people think of you, but you can control what you think of yourself.

The only limit to our realization of tomorrow will be our doubts of today.

"Every book is a journey, and every journey is a book."

Science is about understanding the world, and medicine is about applying that understanding to help people.

Success is not an entitlement. It has to be earned.

"The unsaid is often the most powerful."