Some mothers need happy children; others need unhappy ones-otherwise they cannot prove their maternal virtues.

Unconsciously we seek the principles and opinions which are suited to our temperament, so that at last it seems as if these principles and opinions had formed our character and given it support and stability.

The most unambiguous sign that a person holds men in low esteem is this, that he either acknowledges them merely as means to his ends or does not acknowledge them at all.

Time, space, and causality are only metaphors of knowledge, with which we explain things to ourselves.

However unchristian it may seem, I do not even bear any ill feeling towards myself.

We seldom break our leg so long as life continues a toilsome upward climb. The danger comes when we begin to take things easily and choose the convenient paths.

The person lives most beautifully who does not reflect upon existence