It is one thing for the human mind to extract from the phenomena of nature the laws which it has itself put into them; it may be a far harder thing to extract laws over which it has no control. It is even possible that laws which have not their origin in the mind may be irrational, and we can never succeed in formulating them.

So far as physics is concerned, time's arrow is a property of entropy alone.

An ocean traveler has even more vividly the impression that the ocean is made of waves than that it is made of water.

If your theory is found to be against the second law of thermodynamics I give you no hope; there is nothing for it but to collapse in deepest humiliation.

The idea of a universal mind or Logos would be, I think, a fairly plausible inference from the present state of scientific theory.

What is possible in the Cavendish Laboratory may not be too difficult in the sun.

The mathematics is not there till we put it there.