Let us cleanse ourselves from all filthiness
of the flesh and spirit,
perfecting holiness in the fear of God.
–2 Corinthians 7:1 (KJV)–

¹⁶ But I say, walk by the Spirit, and you will not gratify the desires of the flesh. ¹⁷ For the desires of the flesh are against the Spirit, and the desires of the Spirit are against the flesh, for these are opposed to each other, to keep you from doing the things you want to do. ¹⁸ But if you are led by the Spirit, you are not under the law. ¹⁹ Now the works of the flesh are evident: sexual immorality, impurity, sensuality, ²⁰ idolatry, sorcery, enmity, strife, jealousy, fits of anger, rivalries, dissensions, divisions, ²¹ envy, drunkenness, orgies, and things like these. I warn you, as I warned you before, that those who do such things will not inherit the kingdom of God. ²² But the fruit of the Spirit is love, joy, peace, patience, kindness, goodness, faithfulness, ²³ gentleness, self-control; against such things there is no law. ²⁴ And those who belong to Christ Jesus have crucified the flesh with its passions and desires. ²⁵ If we live by the Spirit, let us also keep in step with the Spirit. ²⁶ Let us not become conceited, provoking one another, envying one another.
–Galatians 5:16-26 (ESV)–

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It is nothing more nor less than that habitual disposition of the soul which, in sacred writings, is termed holiness; and which directly implies, the being cleansed from sin, “from all filthiness both of flesh and spirit,” and by consequences, the being endued with those virtues which were also in Christ Jesus; the being so “renewed in the spirit of our mind,” as to be “perfect as our Father in heaven is perfect…” Perfection in the sense of infallibility does not exist on
the face of the earth.*
–John Wesley–

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* Leonard Lovett, in Aspects of Pentecostal-Charismatic Origins (Logos, 1975), p. 128. This is said to be a direct quote from John Wesley, but it appears to be a mixture of things he said on the nature of Christian perfection–which we might call the addiction breaking stage of sanctification. Lovett cites the following as the source of this quote: Thomas Jackson, ed. The Works of John Wesley (Zondervan, 1959): XI, p. 394. The quote is also referred to in William Cannon’s The Theology of John Wesley (Abingdon, 1946), p. 241. It seems to be based on Wesley’s sermon “The Circumcision of the Heart,” 1.1 and A Plain Account of Christian Perfection (Lane and Sandford, 1844), p. 55, where he said, “It does not make a man infallible; none is infallible while he remains in the body.” Last but not least, the quote above is filled with King James Bible verses without the proof texts: 2 Corinthians 7:1, Ephesians 4:23, and Matthew 5:48.