1 John 2:8
On the other hand, I write to you a new commandment, which is true concerning him and concerning you. For the darkness is passing away, and the light, which is true, now shines.
1 Peter 2:9-10
but you are an elect race, a royal priesthood, a holy nation, a purchased people; that you should declare the perfections of him who has called you from darkness into his marvelous light:
2 Peter 3:10
However, as thief, the day of the Lord will come; in which the heavens shall pass away with a great noise, and the elements burning shall be dissolved; and the earth, and the works that are upon it, shall be utterly burned.
Revelation 3:3
Remember, therefore, how you have received and heard, and hold fast, and reform: therefore, unless you are watchful, I will come upon you as thief, and you shall not know what hour I will come upon you.