'Stand Fast' in the Bible

GOD is, not a man, that he should lie, Nor a son of Adam, that he should repent, - Hath, he, said, and will not perform? Yea spoken, and will not make it stand fast?

For if thou wilt turn to the Almighty, thou shalt stand fast, and all unrighteousness shall be far from thy dwelling:

For they are in no peril of death, but stand fast like a palace.

My mercy will I keep for him for evermore, and my covenant shall stand fast with him.

He shall stand fast for evermore as the moon, and as the faithful witness in heaven." Selah.

They stand fast for ever and ever, and are done in truth and uprightness.

“Stand fast now in your spellsAnd in your many sorceriesWith which you have labored from your youth;Perhaps you will be able to profit,Perhaps you may cause trembling.

Declare ye in Egypt, and publish in Migdol, and publish in Noph and in Tahpanhes: say ye, Stand fast, and prepare thee; for the sword shall devour round about thee.

He shall stand fast, and give food in the strength of the LORD, and in the victory of the name of the LORD his God: and when they be converted, he shall be magnified unto the farthest parts of the world.