Luke 8:8

8:8 But other seed fell on good soil and grew, and it produced a hundred times as much grain.” As he said this, he called out, “The one who has ears to hear had better listen!”

Luke 14:35

14:35 It is of no value for the soil or for the manure pile; it is to be thrown out. The one who has ears to hear had better listen!”

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.