The only way to do great work is to love what you do.

The next green revolution must be both productive and environmentally responsible.

"In observational studies, we often have to rely on assumptions that are not directly testable."

The body remembers what the mind tries to forget.

Habit is habit, and not to be flung out of the window by any man, but coaxed downstairs a step at a time.

Love is always stronger than fear.