Knowledge, the object of knowledge and the knower are the three factors which motivate action; the senses, the work and the doer comprise the threefold basis of action.
Friedrich SchillerWhoever fails to turn aside the ills of life by prudent forethought, must submit to fulfill the course of destiny.
Friedrich SchillerIf you want to study yourself, look into the hearts of other people. If you want to study other people, look into your own heart.
Friedrich Schiller