1 Timothy
King James Version (KJV)

“Now the end of the commandment is charity out of a pure heart, and of a good conscience, and of faith unfeigned:”
King James Version (KJV)
1:5 Whereas the end of the commandment - of the whole Christian institution. Is love - And this was particularly the end of the commandment which Timotheus was to enforce at Ephesus, #1Tim 1:3|,18. The foundation is faith; the end, love. But this can only subsist in an heart purified by faith, and is always attended with a good conscience.
1Ti 1:5 The end of the commandment is charity. The purpose of "the charge" (Revised Version) entrusted to you is love. See 1Ti 1:3. You must show these teachers that instead of teaching foolish fables they must inculcate love. The three things essential to a pure and holy love are: (1) A pure heart; (2) a good conscience; and (3) sincere faith.