'Perpetually' in the Bible

"This is the offering of Aaron and of his sons, which they shall offer to Yahweh in the day when he is anointed: the tenth part of an ephah of fine flour for a meal offering perpetually, half of it in the morning, and half of it in the evening.

Yahweh said to him, "I have heard your prayer and your supplication, that you have made before me. I have made this house holy, which you have built, to put my name there forever; and my eyes and my heart shall be there perpetually.

For now have I chosen and made this house holy, that my name may be there forever; and my eyes and my heart shall be there perpetually.