Ecclesiastes 11:5

2 Give a portion to seven, and also to eight; for thou knowest not what evil shall be upon the earth.

3 If the clouds be full of rain, they empty themselves upon the earth: and if the tree fall toward the south, or toward the north, in the place where the tree falleth, there it shall be.

4 He that observeth the wind shall not sow; and he that regardeth the clouds shall not reap.

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.

6 In the morning sow thy seed, and in the evening withhold not thine hand: for thou knowest not whether shall prosper, either this or that, or whether they both shall be alike good.

7 Truly the light is sweet, and a pleasant thing it is for the eyes to behold the sun:

8 But if a man live many years, and rejoice in them all; yet let him remember the days of darkness; for they shall be many. All that cometh is vanity.