【善游者溺】〖shàn yóu zh nì〗[good swimmer often gets drowned; Overconfidence in one's skill may bring him disaster]

善为说辞言多失，

游荡不羁依法理。

者也之乎博受妒，

溺心灭质祸患息。

会游泳的人，往往淹死。比喻人自以为有某种本领，因此而惹祸。Can swim of people, often be drowned. Metaphor person think yourself has something skills, therefore and cause trouble.