But that person who causes one of these little ones [i.e., humble followers of the Lord] who believes in me to be led astray [from God], he would have been better off to have had a huge millstone tied around his neck and dumped into a deep ocean [Note: This "millstone" was a heavy circular stone rolled over grain to crush it and was moved by an animal walking in a circle].

And Jesus answered them, "Pay attention so that no one leads you astray [from the truth].

For false Christs and false prophets will appear and they will perform great [miraculous] signs and [supernatural] wonders in order to lead astray even the elect [i.e., God's people], if possible.