Psalm 104:9
ESV
You set a boundary that they may not pass, so that they might not again cover the earth. 
NIV
You set a boundary they cannot cross; never again will they cover the earth. 
NASB
You set a boundary so that they will not pass over,  So that they will not return to cover the earth.
CSB
You set a boundary they cannot cross; they will never cover the earth again. 
NLT
Then you set a firm boundary for the seas, so they would never again cover the earth. 
KJV
Thou hast set a bound that they may not pass over; that they turn not again to cover the earth.
NKJV
You have set a boundary that they may not pass over,  That they may not return to cover the earth.