Revelation 2:5,16
Remember therefore from where you are fallen, and repent, and do the first works; or else I will come to you quickly, and will remove your candlestick out of his place, except you repent.
Torrey's Topical Textbook—AKJV

Revelation 3:3
Remember therefore how you have received and heard, and hold fast, and repent. If therefore you shall not watch, I will come on you as a thief, and you shall not know what hour I will come on you.
Torrey's Topical Textbook—AKJV