Ecclesiastes 1:3-7

What do people get for all their hard work under the sun? Generations come and generations go, but the earth never changes. The sun rises and the sun sets, then hurries around to rise again. The wind blows south, and then turns north. Around and around it goes, blowing in circles. Rivers run into the sea, but the sea is never full. Then the water returns again to the rivers and flows out again to the sea.