I must be willing to give up what I am in order to become what I will be.

To have a better life we must keep choosing how we are living.

After a certain high level of technical skill is achieved science and art tend to coalesce in aesthetics, plasticity, and form. The greatest scientists are artists as well.

Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.

Energy cannot be created or destroyed, it can only be changed from one form to another.

When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity.

A ship is always safe at the shore - but that is NOT what it is built for.