13 You are the salt of the earth; but if the salt becomes insipid with what will it be salted? It is then good for nothing except to be thrown out and trampled down by the people.
Matthew 5:13 Cross References - WPNT
Mark 9:49-50
Luke 14:34-35
Colossians 4:6
6 Let your word always be with grace, seasoned with salt, to know how you ought to answer each one.
Hebrews 6:4-6
4 Because, it is impossible to bring back into repentance those who were once for all enlightened, who have partaken of the heavenly gift and were made sharers in the Holy Spirit,
5 who have experienced God’s good event and capabilities of the coming age,
6 and yet have fallen away—they would be crucifying the Son of God all over again, just for themselves, holding Him up to contempt.
2 Peter 2:20-21
20 For if, after they have escaped the defilements of the world through the real knowledge of the Lord and Savior Jesus Christ, they are again entangled in them and overcome, the latter circumstances have become worse for them than the first ones.
21 For it would have been better for them not to have really known the way of the righteousness, than having really known it to turn back from the holy commandment delivered to them.