13 Ye are the salt of the earth: but if the salt have lost its savour, wherewith shall it be salted? it is good for nothing, but to be cast out, and to be troden underfoot of men.
Matthew 5:13 Cross References - Whiston
Mark 9:49-50
Luke 14:34-35
Colossians 4:6
6 Let your speech [be] alway with grace, seasoned with salt, that ye may know how ye ought to answer every man.
Hebrews 6:4-6
4 For [it is] impossible for those who were once enlightned, and have tasted of the heavenly gift, and were made partakers of the Holy Ghost,
5 And have tasted the good word of God, and the powers of the world to come;
6 And are fallen away, to renew them again unto repentance: seeing they crucify to themselves the Son of God, and put [him] to an open shame.
2 Peter 2:20-21
20 For if after they have escaped the pollutions of the world through the knowledge of our Lord and Saviour Jesus Christ, they are again entangled therein, and overcome; the latter end is worse with them than the beginning.
21 For it had been better for them not to have known the way of righteousness, than after they have known [it], to return backward from the holy commandment delivered unto them.