13 And trust your own judgement; no one's advice is more reliable.
14 Sometimes your own intuition can tell you more than seven watchmen on a high tower.
15 Above all, pray to the Most High that he will show you the right thing to do.
16 Planning and thought lie behind everything that is done.
17-18 The mind concerns itself with four things: these are good and evil, life and death. They all begin in the mind, but the tongue is their absolute ruler.
19 Someone may have the ability to teach, but still not be of much use to himself.
20 He may be clever with words, but end up starving because people hate him.