There is no space without aether, and no aether which does not occupy space.

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 quest of the absolute leads into the four-dimensional world.

Man is slightly nearer to the atom than to the star. ... From his central position man can survey the grandest works of Nature with the astronomer, or the minutest works with the physicist. ... [K]nowledge of the stars leads through the atom; and important knowledge of the atom has been reached through the stars.

There was a time when we wanted to be told what an electron is. The question was never answered. No familiar conceptions can be woven around the electron; it belongs to the waiting list.

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

There is no space without aether, and no aether which does not occupy space.