In any attempt to bridge the domains of experience belonging to the spiritual and physical sides of nature, time occupies the key position..

Whatever else there may be in our nature, responsibility toward truth is one of its attributes..

We have found that where science has progressed the farthest, the mind has but regained from nature that which the mind has put into nature. We have ….

Science is one thing, wisdom is another. Science is an edged tool, with which men play like children, and cut their own fingers..

What we makes of the world must be largely dependent on the sense-organs that we happen to possess. How the world must have changed since the man cam….

To the pure geometer the radius of curvature is an incidental characteristic - like the grin of the Cheshire cat. To the physicist it is an indispens….

The electron, as it leaves the atom, crystallises out of Schrodinger's mist like a genie emerging from his bottle..

A hundred thousand million Stars make one Galaxy; A hundred thousand million Galaxies make one Universe. The figures may not be very trustworthy, but….

If someone points out to you that your pet theory of the universe is in disagreement with Maxwell's equations - then so much the worse for Maxwell's ….

The understanding between a non-technical writer and his reader is that he shall talk more or less like a human being and not like an Act of Parliame….

It is impossible to trap modern physics into predicting anything with perfect determinism because it deals with probabilities from the outset..

In the most modern theories of physics probability seems to have replaced aether as "the nominative of the verb 'to undulate'.".

Events do not happen; they are just there, and we come across them..

We are bits of stellar matter that got cold by accident, bits of a star gone wrong..

Let us suppose that an ichthyologist is exploring the life of the ocean. He casts a net into the water and brings up a fishy assortment. Surveying hi….

The universe will finally become a ball of radiation, becoming more and more rarified and passing into longer and longer wave-lengths. The longest wa….

It is reasonable to hope that in the not too distant future we shall be competent to understand so simple a thing as a star..

Something unknown is doing we don't know what-that is what our theory amounts to..

It is also a good rule not to put overmuch confidence in the observational results that are put forward until they are confirmed by theory..

Whether in the intellectual pursuits of science or in the mystical pursuits of the spirit, the light beckons ahead, and the purpose surging in our na….

The pursuit of truth in science transcends national boundaries. It takes us beyond hatred and anger and fear. It is the best of us..