If a man insisted always on being serious, and never allowed himself a bit of fun and relaxation, he would go mad or become unstable without knowing it.
HerodotusFar better it is to have a stout heart always and suffer one's share of evils, than to be ever fearing what may happen.
HerodotusBowmen bend their bows when they wish to shoot: unbrace them when the shooting is over. Were they kept always strung they would break and fail the archer in time of need. So it is with men. If they give themselves constantly to serious work, and never indulge awhile in pastime or sport, they lose their senses and become mad.
Herodotus