I'm not a role model, I'm just a man.

Science cannot solve the ultimate mystery of nature. And that is because, in the last analysis, we ourselves are part of nature and therefore part of the mystery that we are trying to solve.

We live in a world where the past is always present, and the present is always haunted by the past.

Experimentation is the key to discovering new possibilities.

In a world filled with hate, we must still dare to hope. In a world filled with anger, we must still dare to comfort. In a world filled with despair, we must still dare to dream. And in a world filled with distrust, we must still dare to believe.

The meaning of life lies in how we give it meaning.