Bible Verses About Offence: Denunciation against those who cause

Wo be vnto the world because of offences: for it must needes be that offences shall come, but wo be to that man by whome the offence commeth.

And whosoeuer shall offend one of these litle ones, that beleeue in me, it were better for him rather, that a milstone were hanged about his necke, and that he were cast into the sea.