Luke 17:2

17:2 It would be better for him to have a millstone tied around his neck and be thrown into the sea than for him to cause one of these little ones to sin.

Luke 21:25

The Arrival of the Son of Man

21:25 “And there will be signs in the sun and moon and stars, and on the earth nations will be in distress, anxious over the roaring of the sea and the surging waves.