Matthew 5:8
Blessed are the pure in heart: because they shall see God.
1 Timothy 2:8
Therefore I wish that men in every place would all pray, holding up holy hands, without wrath and doubting:
James 4:8
draw nigh unto God, and he draws nigh unto you. Purify your hands, ye sinners; and cleanse your hearts, ye double-minded.
Acts 14:15
Men, why are you doing these things? We are also men of like suffering with you, preaching the gospel to you that you should turn from these vanities to the living God, who created the heaven, and the earth, and the sea, and all things which are in them:
Acts 15:9
and made no difference between us and them, purifying their hearts by faith.
2 Corinthians 7:1
Therefore having these promises, beloved, let us cleanse ourselves from all the filthiness of the flesh and spirit, perfecting holiness in the fear of God.
1 Timothy 1:10
for fornicators, for Sodomites, for kidnapers, for liars, for perjurers, and if any thing else is opposed to healthy teaching;
Revelation 21:1-4
And I saw a new heaven and a new earth: for the first heaven and the first earth passed away; and the sea is no more.
Revelation 21:27
And nothing unclean, and the one doing abomination, and falsehood, can at all enter into it: none except those who are written in the Lamb's book of life.
Revelation 22:14-15
Happy are those who wash their robes, that they may have right to the tree of life, and enter in through the gates into the city.