You may think I’m small, but I have a universe inside my mind.

重要的是旅程，而非到达。

Climate change is the ultimate test of our agricultural ingenuity.

The human mind is not a blank slate at birth.

The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.

Life is really simple, but we insist on making it complicated.

Every discovery in physics is a step closer to understanding the grand design of the universe.

Happiness is not something ready made. It comes from your own actions.

The best thing about getting older is that you don't lose all the other ages you've been.

"Courage doesn't always roar. Sometimes courage is the quiet voice at the end of the day saying 'I will try again tomorrow.'"