... if we take the universe of 'fitting,' countless coats 'fit' backs, and countless boots 'fit' feet, on which they are not practically fitted; countless stones 'fit' gaps in walls into which no one seeks to fit them actually. In the same way countless opinions 'fit' realities, and countless truths are valid, tho no thinker ever thinks them.

Truth lives, in fact, for the most part on a credit system. Our thoughts and beliefs pass, so long as nothing challenges them, just as bank-notes pass so long as nobody refuses them.

For I had often said that the best argument I knew for an immortal life was the existence of a man who deserved one as well as Child did.

Nothing is so fatiguing as the eternal hanging on of an uncompleted task.

In the deepest heart of all of us there is a corner in which the ultimate mystery of things works sadly.

Life is one long struggle between conclusions based on abstract ways of conceiving cases, and opposite conclusions prompted by our instinctive perception of them.

Psychology is a science, and teaching is an art; and sciences never generate arts directly out of themselves.