Ecclesiastes 1:6-8

6 The wind goes towards the south, and turns around to the north. It turns around continually as it goes, and the wind returns again to its courses.

7 All the rivers run into the sea, yet the sea is not full. To the place where the rivers flow, there they flow again.

8 All things are full of weariness beyond uttering. The eye is not satisfied with seeing, nor the ear filled with hearing.