'Sin' in the Bible

who did not commit sin, nor was guile found in his mouth,

because also Christ once for sin did suffer -- righteous for unrighteous -- that he might lead us to God, having been put to death indeed, in the flesh, and having been made alive in the spirit,

Christ, then, having suffered for us in the flesh, ye also with the same mind arm yourselves, because he who did suffer in the flesh hath done with sin,