Deuteronomy 4:2

4:2 Do not add a thing to what I command you nor subtract from it, so that you may keep the commandments of the Lord your God that I am delivering to you.

Deuteronomy 12:32

Idolatry and False Prophets

12:32 (13:1) You must be careful to do everything I am commanding you. Do not add to it or subtract from it!

Proverbs 30:6

30:6 Do not add to his words,

lest he reprove you, and prove you to be a liar.

Matthew 15:6-9

15:6 he does not need to honor his father.’ You have nullified the word of God on account of your tradition. 15:7 Hypocrites! Isaiah prophesied correctly about you when he said,

15:8 ‘This people honors me with their lips,

but their heart is far from me,

15:9 and they worship me in vain,

teaching as doctrines the commandments of men.’”

Matthew 15:13

15:13 And he replied, “Every plant that my heavenly Father did not plant will be uprooted.