Deut 4:2 – Ye shall not add unto the word which I command you, neither shall ye diminish ought from it, that ye may keep the commandments of the Lord your God which I command you.
Deut 12:32 – What thing soever I command you, observe to do it: thou shalt not add thereto, nor diminish from it.
Prov 30:6 – Add thou not unto his words, lest he reprove thee, and thou be found a liar.
Mark 7:13 – making the word of God of none effect through your tradition, which ye have delivered: and many such like things do ye.
Rev 22:19 – and if any man shall take away from the words of the book of this prophecy, God shall take away his part out of the book of life, and out of the holy city, and from the things which are written in this book.