Ecclesiastes 1:7

All the rivers. As a third example of the ceaseless round of nature Solomon presents the moisture cycle. Though the forces of nature provide a picture of endless repetition, their activity was nevertheless designed by God and functions in harmony with His will. But man’s activities, in most cases, were not designed by God and do not tend to the satisfactory end God had in mind when He created man. Mankind continually seeks new paths to happiness and satisfaction, whereas he can attain to his true end in only one way — by being at peace with his Maker (see Matt. 11:28-30).