Matthew 18:8

18:8 If your hand or your foot causes you to sin, cut it off and throw it away. It is better for you to enter life crippled or lame than to have two hands or two feet and be thrown into eternal fire.

Matthew 21:21

21:21 Jesus answered them, “I tell you the truth, if you have faith and do not doubt, not only will you do what was done to the fig tree, but even if you say to this mountain, ‘Be lifted up and thrown into the sea,’ it will happen.