Matthew 5:8
Blessed are the pure in heart; for they shall see God.
1 Timothy 2:8
I direct therefore that men pray in every place, lifting up holy hands without wrath and debate:
James 4:8
Draw near to God, and He will draw near to you: cleanse your hands, O sinners, and purify your hearts, ye double minded.
Acts 14:15
crying out, and saying, "Sirs, why do ye these things? we also are men subject to the like infirmities with you, and we preach the gospel unto you, that ye may turn from these vanities to the living God, who made the heaven, and the earth, and the sea,
Acts 15:9
and made no difference between us and them, having purified their hearts by faith.
2 Corinthians 7:1
Having therefore, my beloved, these promises, let us purify ourselves from all defilement of flesh and spirit, perfecting holiness in the fear of God.
1 Timothy 1:10
parricides, murderers, whoremongers, sodomites, kidnappers, liars, false-swearers, and if there be any thing else contrary to that sound doctrine,
Revelation 21:1-4
And I saw a new heaven and a new earth; for the former heaven and the former earth passed away, and there was no more sea.
Revelation 21:27
And nothing shall enter into it that defileth, and practiseth abomination and falshood: but those only who are written in the Lamb's book of life.
Revelation 22:14-15
Happy are they that do his commandments, so shall they have a right to the tree of life, and may enter in by the gates into the city.