Ecclesiastes 10:3; Ecclesiastes 11:5; Ecclesiastes 11:9; Ecclesiastes 12:5

3 Yea also, when he that is a fool walketh by the way, his wisdom faileth him, and he saith to every one that he is a fool.

5 As thou knowest not what is the way of the spirit, nor how the bones do grow in the womb of her that is with child: even so thou knowest not the works of God who maketh all.

9 Rejoice, O young man, in thy youth; and let thy heart cheer thee in the days of thy youth, and walk in the ways of thine heart, and in the sight of thine eyes: but know thou, that for all these things God will bring thee into judgment.

5 Also when they shall be afraid of that which is high, and fears shall be in the way, and the almond tree shall flourish, and the grasshopper shall be a burden, and desire shall fail: because man goeth to his long home, and the mourners go about the streets: