Modern war is so expensive that we feel trade to be a better avenue to plunder; but modern man inherits all the innate pugnacity and all the love of glory of his ancestors.

When thoughts do not neutralize an undesirable emotion, action will.

There is an organic affinity between joyousness and tenderness, and their companionship in the saintly life need in no way occasion surprise.

As a rule we disbelieve all the facts and theories for which we have no use.

Give up the feeling of responsibility, let go your hold, resign the care of your destiny to higher powers, be genuinely indifferent as to what becomes of it all and you will find not only that you gain a perfect inward relief, but often also, in addition, the particular goods you sincerely thought you were renouncing.

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

To be a real philosopher all that is necessary is to hate some one else's type of thinking.