In trying to formalize a rule, we look for truth, but what we find is knowledge, and what we fail to find is certainty. This limitation has no specia… - Jacob Bronowski

The world can only be grasped by action, not by contemplation. The hand is the cutting edge of man.

Mass, time, magnetic moment, the unconscious: we have grown up with these symbolic concepts, so that we are startled to be told that man had once to create them for himself. He had indeed, and he has: for mass is not an intuition in the muscle, and time is not bought ready-made at the watchmaker's.

I grew up to be indifferent to the distinction between literature and science, which in my teens were simply two languages for experience that I learned together.