Proverbs 12:19 KJV

The lip of truth shall be established for ever: but a lying tongue is but for a moment.

Proverbs 12:1–28Those who have grace, will delight in the instructions given them. Those that stifle their convictions, are like brutes. 2. The man who covers selfish and...

Proverbs 19:9 A false witness shall not be unpunished, and he that speaketh lies shall perish.
Job 20:5 That the triumphing of the wicked is short, and the joy of the hypocrite but for a moment?
Psalms 52:4–5 Thou lovest all devouring words, O thou deceitful tongue. …
Zechariah 1:4–6 Be ye not as your fathers, unto whom the former prophets have cried, saying, Thus saith the LORD of hosts; Turn ye now from your evil ways, and from your evil doings: but they did not hear, nor hearken unto me, saith the LORD. …
Matthew 24:35 Heaven and earth shall pass away, but my words shall not pass away.
Acts 5:3–10 But Peter said, Ananias, why hath Satan filled thine heart to lie to the Holy Ghost, and to keep back part of the price of the land? …

From OpenBible.info, most relevant first.

The lip שְׂפַת śĕpat שָׂפָה Noun · feminine singular construct
of truth אֱמֶת ʾĕmet אֶמֶת Noun · feminine singular
shall be established תִּכּוֹן tikkôn כּוּן Verb · niphal imperfect, third person feminine singular
for ever לָעַד lāʿad עַד Noun · masculine singular · with preposition
but a lying שָׁקֶר šāqer שֶׁקֶר Noun · masculine singular
tongue לְשׁוֹן lĕšôn לָשׁוֹן Noun · masculine or feminine singular construct
but for a moment וְעַד wĕʿad Preposition · with and אַרְגִּיעָה ʾargîʿâ רָגַע Verb · hiphil cohortative, first person common singular

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