Concern for man and his fate must always form the chief interest of all technical endeavors. Never forget this in the midst of your diagrams and equations.

Coincidence is God's way of remaining anonymous.

Love is not the stupidest thing a man does, but it cannot be blamed on gravity.

Work is the only thing that gives substance to life.

We must learn to see the world anew.

I simply imagine it so, then go about to prove it.

This is a time, when there seems to be a particular need for friends of wisdom and truth to join together.