Ecclesiastes 2:11 Then I looked on all the works that my hands had wrought, and on the labour that I had laboured to do: and, behold, all was vanity and vexation of spirit, and there was no profit under the sun.
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https://www.youtube.com/watch?v=BR7ts8MkcoM
Ecclesiastes 10:8 He that diggeth a pit shall fall into it; and whoso breaketh an hedge, a serpent shall bite him.
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https://www.youtube.com/watch?v=FuISObOPieA
Ecclesiastes 7:18-19 It is good that thou shouldest take hold of this; yea, also from this withdraw not thine hand: for he that feareth God shall come forth of them all. Wisdom strengtheneth the wise more than ten mighty men which are in the city.
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https://www.youtube.com/watch?v=9gM6O2CWj0M
Ecclesiastes 10:12 The words of a wise man's mouth are gracious; but the lips of a fool will swallow up himself.
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https://www.youtube.com/watch?v=S0Pl4m8iHsM
Proverbs 29:27-30:1 An unjust man is an abomination to the just: and he that is upright in the way is abomination to the wicked. The words of Agur the son of Jakeh, even the prophecy: the man spake unto Ithiel, even unto Ithiel and Ucal,
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https://www.youtube.com/watch?v=S-qoVoao-kQ