There must always be a discrepncy between concepts and reality, because the former are static and discontinuous while the latter is dynamic and flowing

Plasticity, then, in the wide sense of the word, means the possession of a structure weak enough to yield to an influence, but strong enough not to yield all at once. Each relatively stable phase of equilibrium in such a structure is marked by what we may call a new set of habits.

Where quality is the thing sought after, the thing of supreme quality is cheap, whatever the price one has to pay for it.

Truths emerge from facts, but they dip forward into facts again and add to them; which facts again create or reveal new truth (the word is indifferent) and so on indefinitely. The 'facts' themselves meanwhile are not true. They simply are. Truth is the function of the beliefs that start and terminate among them.

It is as if there were in the human consciousness a sense of reality, a feeling of objective presence, a perception of what we may call something there, more deep and more general than any of the special and particular senses by which the current psychology supposes existent realities to be originally revealed.

It is only in the lonely emergencies of life that our creed is tested: then routine maxims fail, and we fall back on our gods.

The hell to be endured hereafter, of which theology tells, is no worse than the hell we make for ourselves in this world by habitually fashioned our characters in the wrong way.