The inclination to self-depreciation, to freely accepting being robbed, being duped, and being swindled, could be the modesty of a god among men.

Once the decision has been made, close your ear even to the best counter argument: sign of a strong character. Thus an occasional will to stupidity.

Every past is worth condemning.

One often contradicts an opinion when what is uncongenial is really the tone in which it was conveyed.

We must remain as close to the flowers, the grass, and the butterflies as the child is who is not yet so much taller than they are.

Mathematics is merely the means to a general and ultimate knowledge of man.

Many a man fails as an original thinker simply because his memory it too good.