Bible Verses About Offence: Persecution, a cause of, to mere professors

yet hath he not root in himself, but endureth for a while; and when tribulation or persecution ariseth because of the word, straightway he stumbleth.

And then shall many stumble, and shall deliver up one another, and shall hate one another.

Then saith Jesus unto them, All ye shall be offended in me this night: for it is written, I will smite the shepherd, and the sheep of the flock shall be scattered abroad.