We have to do the best we are capable of. This is our sacred human responsibility.

Go out as far as you can go and start from there

Do you really believe that the moon isn’t there when nobody looks?

The most valuable thing a teacher can impart to children is not knowledge and understanding per se but a longing for knowledge and understanding, and an appreciation for intellectual values, whether they be artistic, scientific, or moral. It is the supreme art of the teacher to awaken joy in creative expression and knowledge. Most teachers waste their time by asking questions that are intended to discover what a pupil does not know, whereas the true art of questioning is to discover what the pupil does know or is capable of knowing.

Compound interest on debt was the banker's greatest invention, to capture, and enslave, a productive society.

The more success the quantum theory has, the sillier it looks

He who finds a thought that lets us a little deeper into the eternal mystery of nature has been granted great peace.