'Work of God' in the Bible

Consider the work of God. For who can make that straight, which he has made crooked?

then I beheld all the work of God, that man cannot find out the work that is done under the sun. Because however much a man labors to seek it out, yet he shall not find it. Yea moreover, though a wise man thinks to know it, yet he

As thou know not what is the way of the wind, [nor] how the bones [grow] in the womb of her who is with child, even so thou know not the work of God who does all.