Answer: We should pursue holiness out of reverence for God, (2 Corinthians 7:1).
MORE INFORMATION AND/OR OTHER SCRIPTURE REFERENCES:
Psalm 5:7: "But I, by Your great mercy, will come into Your house; in reverence will I bow down toward Your holy temple."
Psalm 33:8: "Let all the earth fear the Lord; let all the people of the world revere Him."
Ecclesiastes 3:14: "I know that everything God does will endure forever; nothing can be added to it and nothing taken from it. God does it so that men will revere Him."
Jeremiah 10:7: "Who should not revere You, O King of the nations? This is Your due. Among all the wise men of the nations and in all their kingdoms, there is no one like You."
Malachi 4:2a: [God said,] "But for you who revere My Name, the sun of righteousness will rise with healing in its wings."
Hebrews 12:28-29: "Therefore, since we are receiving a kingdom that cannot be shaken, let us be thankful, and so worship God acceptably with reverence and awe, for our ‘God is a consuming fire.'"
1 Peter 1:13-16: "Therefore, prepare your minds for action; be self-controlled; set your hope fully on the grace to be given you when Jesus Christ is revealed. As obedient children, do not conform to the evil desires you had when you lived in ignorance. But just as He Who called you is holy, so be holy in all you do; for it is written: ‘Be holy, because I am holy.'"