Mark 7:19

7:19 For it does not enter his heart but his stomach, and then goes out into the sewer.” (This means all foods are clean.)

Mark 9:45

9:45 If your foot causes you to sin, cut it off! It is better to enter life lame than to have two feet and be thrown into hell.

Mark 10:23-24

10:23 Then Jesus looked around and said to his disciples, “How hard it is for the rich to enter the kingdom of God!” 10:24 The disciples were astonished at these words. But again Jesus said to them, “Children, how hard it is to enter the kingdom of God!