'Under Law' in the Bible

For as many as have sinned without law shall perish also without law; and as many as have sinned under law shall be judged by law,

For sin shall not have dominion over you: for ye are not under law, but under grace.

What then? shall we sin, because we are not under law, but under grace? God forbid.

For, what was impossible under law, wherein it was weak through the flesh. God, sending His Own Son in likeness of sinful flesh, and, respecting sin, condemned sin in the flesh;