Psalms 104:9

You have set a boundary that they may not pass over, That they may not return to cover the earth.

Surrounding context

104:8 They went up over the mountains; They went down into the valleys, To the place which You founded for them.

104:9 You have set a boundary that they may not pass over, That they may not return to cover the earth.

104:10 He sends the springs into the valleys; They flow among the hills.