Before the gates of excellence the high gods have placed sweat; long is the road thereto and rough and steep at first; but when the heights are reached, then there is ease, though grievously hard in the winning.
HesiodThe man who does evil to another does evil to himself, and the evil counsel is most evil for him who counsels it.
HesiodAnd Zeus will destroy this race of mortal men too, when they, at their birth, have grey hair on their temples.
HesiodWhoever, fleeing marriage and the sorrows that women cause, does not wish to wed comes to a deadly old age.
Hesiod