'Perpetually' in the Bible

This day will become a memorial for you, and you will celebrate it as a festival to the Lord -- you will celebrate it perpetually as a lasting ordinance.

So you will keep the Feast of Unleavened Bread, because on this very day I brought your regiments out from the land of Egypt, and so you must keep this day perpetually as a lasting ordinance.

You may give them as inheritance to your children after you to possess as property. You may enslave them perpetually. However, as for your brothers the Israelites, no man may rule over his brother harshly.

May Joab and his descendants be perpetually guilty of their shed blood, but may the Lord give perpetual peace to David, his descendants, his family, and his dynasty."

Then David said, "Only the Levites may carry the ark of God, for the Lord chose them to carry the ark of the Lord and to serve before him perpetually.

You broke open the spring and the stream; you dried up perpetually flowing rivers.

For I will not be hostile forever or perpetually angry, for then man's spirit would grow faint before me, the life-giving breath I created.