Philosophically, the notion of a beginning of the present order of Nature is repugnant to me ... I should like to find a genuine loophole.

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.

Who will observe the observers?

Human life is proverbially uncertain; few things are more certain than the solvency of a life-insurance company.

You cannot disturb the tiniest petal of a flower without the troubling of a distant star.

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

Schrödinger's wave-mechanics is not a physical theory, but a dodge - and a very good dodge too.