What physics looks for: The simplest possible system of thought which will bind together the observed facts.

Time has no independent existence apart from the order of events by which we measure it.

As to science, we may well define it for our purpose as "methodical thinking directed toward finding regulative connections between our sensual experiences".

Generations to come will find it difficult to believe that a man such as Gandhi ever walked the face of this earth.

External conditions can, to a certain extent, reduce, but never cancel individual repsonsibility.

What use are socks? They only produce holes.

Considered logically this concept is not identical with the totality of sense impressions referred to; but it is an arbitrary creation of the human (or animal) mind.