“The good thing about science is that it's true whether or not you believe in it”

“If you're not stubborn, you'll give up on experiments too soon.”

“Success at anything will always come down to this: focus and effort. And we control both.”

“The best preparation for good work tomorrow is to do good work today”

“Sometimes you just have to ask yourself 'Am I having fun?'”

“Turn your wounds into wisdom”

“Your mind must be stronger than your feelings”

“Don't grieve. Anything you lose comes round in another form.”

“Opportunities come infrequently. When it rains gold, put out the bucket, not the thimble”

“The more you know, the more you know you don't know.”

“Do not go gentle — cause that rent is always due.”

“Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.”

“It's easy to stand in the crowd but it takes courage to stand alone.”