1 Peter 1:16
Because it is written, iBe ye holy; for I am holy.
Because it is written, Be ye holy; for I am holy.
διότι γέγραπται, Ἅγιοι γένεσθε, ὅτι ἐγὼ ἅγιός εἰμι.
Textual key: ‘Be ye holy’ [a command] is changed to ‘you shall be holy’ [future tense]
i:
Leviticus 11:44 For I am the LORD your God: ye shall therefore sanctify yourselves, and ye shall be holy; for I am holy: neither shall ye defile yourselves with any manner of creeping thing that creepeth upon the earth.
Leviticus 19:2 Speak unto all the congregation of the children of Israel, and say unto them, Ye shall be holy: for I the LORD your God am holy.
Leviticus 20:7 ¶Sanctify yourselves therefore, and be ye holy: for I am the LORD your God.
Matthew 5:48 Be ye therefore perfect, even as your Father which is in heaven is perfect.
I am your Father, and therefore you ought to imitate and obey me: or, I that have severed you from other people, that you should be mine, Lev 20:26, to which place particularly this seems to refer.