God is Holy (pure)

And one cried unto another, and said, Holy, holy, holy, is the LORD of hosts: the whole earth is full of his glory. (Isaiah 6:3)

And the four beasts had each of them six wings about him; and they were full of eyes within: and they rest not day and night, saying, Holy, holy, holy, LORD God Almighty, which was, and is, and is to come. (Revelation 4:8)

The LORD is righteous in all his ways, and holy in all his works. (Psalm 145:17)

Who is like unto thee, O LORD, among the gods? who is like thee, glorious in holiness, fearful in praises, doing wonders? (Exodus 15:11)

There is none holy as the LORD: for there is none beside thee: neither is there any rock like our God. (1 Samuel 2:2)

Because it is written, Be ye holy; for I am holy. (1 Peter 1:16)

Who shall not fear thee, O Lord, and glorify thy name? for thou only art holy: for all nations shall come and worship before thee; for thy judgments are made manifest. (Revelation 15:4)

Art thou not from everlasting, O LORD my God, mine Holy One? we shall not die. O LORD, thou hast ordained them for judgment; and, O mighty God, thou hast established them for correction. Thou art of purer eyes than to behold evil, and canst not look on iniquity: wherefore lookest thou upon them that deal treacherously, and holdest thy tongue when the wicked devoureth the man that is more righteous than he? (Habakkuk 1:12-13)

Sing unto the LORD, O ye saints of his, and give thanks at the remembrance of his holiness. (Psalm 30:4)