They who have a care of their souls, and do not merely live in the fashions of the body, say farewell to all this; they will not walk in the ways of the blind: and when philosophy offers them purification and release from evil, they feel that they ought not resist her influence, and to her they incline, and whither she leads they follow her. The Trials Of Socrates

The effect of speech upon the condition of the soul is comparable to the power of drugs over the nature of bodies. For just as different drugs dispel different secretions from the body, and some bring an end to disease and others to life, so also in the case of speeches, some distress, others delight, some cause fear, others make the hearers bold, and some drug and bewitch the soul with a kind of evil persuasion. Gorgias

“He felt there were no limits to his capacity for fasting.”  A Hunger Artist

'...it is not necessary to accept everything as true, one must only accept it as necessary.' 'A melancholy conclusion,' said K. 'It turns lying into a universal principle.In the Cathedral The Trial