The difficulty is to try and teach the multitude that something can be true and untrue at the same time.

As I grow older, I pay less attention to what men say. I just watch what they do.

I may not be better than other people, but at least I'm different.

Genius is sorrow's child.

I speak for the trees, for the trees have no tongues.

Forewarned, forearmed. To be prepared is half the victory.

Everything is vague to a degree you do not realize till you have tried to make it precise.

The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew.

Design is not just what it looks like and feels like. Design is how it works.

What is necessary to change a person is to change his awareness of himself.

Worry is the interest paid by those who borrow trouble.

I believe today that my conduct is in accordance with the will of the Almighty Creator

We often discover what will do by finding out what will not do; and probably he who never made a mistake never made a discovery.

Tomorrow is the most important thing in life. Comes into us at midnight very clean. It's perfect when it arrives and it puts itself in our hands. It hopes we've learned something from yesterday.

I feel as if I were a piece in a game of chess, when my opponent says of it: That piece cannot be moved.

I want to sing like the birds sing, not worrying about who hears or what they think.

A scientific man ought to have no wishes, no affections, - a mere heart of stone.

Never go to a doctor whose office plants have died.

The paranoid is never entirely mistaken.

That which costs little is less valued.

A mediocre idea that generates enthusiasm will go further than a great idea that inspires no one.