The Book of Ecclesiastes

Dead flies make a perfumer's oil stink, so a little foolishness is weightier than wisdom [and] honor.

A wise man's heart [directs him] toward the right, but the foolish man's heart [directs him] toward the left.

Even when the fool walks along the road his sense is lacking, and he demonstrates to everyone [that] he is a fool.

If the ruler's temper rises against you, do not abandon your position, because composure allays great offenses.

There is an evil I have seen under the sun, like an error which goes forth from the ruler -

folly is set in many exalted places while rich men sit in humble places.

I have seen slaves [riding] on horses and princes walking like slaves on the land.

He who digs a pit may fall into it, and a serpent may bite him who breaks through a wall.

He who quarries stones may be hurt by them, and he who splits logs may be endangered by them.

If the axe is dull and he does not sharpen [its] edge, then he must exert more strength. Wisdom has the advantage of giving success.

If the serpent bites before being charmed, there is no profit for the charmer.

Words from the mouth of a wise man are gracious, while the lips of a fool consume him;

the beginning of his talking is folly, and the end of it is wicked madness.

Yet the fool multiplies words. No man knows what will happen, and who can tell him what will come after him?

The toil of a fool [so] wearies him that he does not [even] know how to go to a city.

Woe to you, O land, whose king is a lad and whose princes feast in the morning.

Blessed are you, O land, whose king is of nobility and whose princes eat at the appropriate time - for strength, and not for drunkenness.

Through indolence the rafters sag, and through slackness the house leaks.

[Men] prepare a meal for enjoyment, and wine makes life merry, and money is the answer to everything.

Furthermore, in your bedchamber do not curse a king, and in your sleeping rooms do not curse a rich man, for a bird of the heavens will carry the sound, and the winged creature will make the matter known.