Because it is written, Be ye holy; for I am holy.
Leviticus 11:44
'For I [am] Jehovah your God, and ye have sanctified yourselves, and ye have been holy, for I [am] holy; and ye do not defile your persons with any teeming thing which is creeping on the earth;
Read Whole Chapter
Leviticus 19:2
'Speak unto all the company of the sons of Israel, and thou hast said unto them, Ye are holy, for holy [am] I, Jehovah, your God.
Read Whole Chapter
Leviticus 20:7
'And ye have sanctified yourselves, and ye have been holy, for I [am] Jehovah your God;
Read Whole Chapter
Amos 3:3
Do two walk together if they have not met?
Read Whole Chapter