'Ever' in the Bible

Thus saith the LORD; For three transgressions of Edom, and for four, I will not turn away the punishment thereof; because he did pursue his brother with the sword, and did cast off all pity, and his anger did tear perpetually, and he kept his wrath for ever:

But let the right go rolling on like waters, and righteousness like an ever-flowing stream.

but don’t ever prophesy at Bethel again, for it is the king’s sanctuary and a royal temple.”

Sworn hath Jehovah by the excellency of Jacob: 'I forget not for ever any of their works.