What does the preacher mean by “striving after the wind” in Ecclesiastes 1:14, and how can Christians avoid this kind of futile striving?

Knowing that God is in control helps us to patiently wait and trust in him, for he is most wise, good, and loving in everything that comes to pass.

God's providence doesn’t just apply to Old Testament characters like Joseph and Moses. It also applies to all his creation, including each one of us. What is God’s providential care?