13 Ye are the salt of the earth; but if the salt have lost its savor, wherewith shall it be salted? it is thenceforth good for nothing, but to be cast out and to be trodden under foot of men.
Matthew 5:13 Cross References - JPS_ASV_Byz
Leviticus 2:13
13 And every meal-offering of thine shalt thou season with salt; neither shalt thou suffer the salt of the covenant of thy God to be lacking from thy meal-offering; with all thy offerings thou shalt offer salt.
Mark 9:49-50
Luke 14:34-35
Colossians 4:6
6 Let your speech be always with grace, seasoned with salt, that ye may know how ye ought to answer each one.
Hebrews 6:4-6
4 For as touching those who were once enlightened and tasted of the heavenly gift, and were made partakers of the Holy Spirit,
5 and tasted the good word of God, and the powers of the age to come,
6 and then fell away, it is impossible to renew them again unto repentance, seeing they crucify to themselves the Son of God afresh, and put him to an open shame.
2 Peter 2:20-21
20 For if, after they have escaped the defilements of the world through the knowledge of the Lord and Saviour Jesus Christ, they are again entangled therein and overcome, the last state is become worse with them than the first.
21 For it were better for them not to have known the way of righteousness, than, after knowing it, to turn back from the holy commandment delivered unto them.