His words endure
His words are correct. His words are firm and enduring. Figuratively: he carries out what he says.
(“Rock of Jacob, Shield of our salvation… and His words are living and enduring, faithful and cherished forever and for all eternity” (Morning Prayer, Emet VeYatziv).)
Translation
Expression (Hebrew)
דְּבָרָיו קַיָּמִים
Definition (Hebrew)
דְּבָרָיו נְכוֹנִים. דְּבָרָיו יַצִּיבִים וּמִתְקַיְּמִים. בְּהַשְׁאָלָה: מְבַצֵּעַ אֶת מָה שֶׁאוֹמֵר.
("צוּר יַעֲקֹב, מָגֵן יִשָּׁעֵנוּ...וּדְבָרָיו חַיִּים וְקַיָּמִים וְנֶאֱמָנִים וְנֶחְמָדִים לָעַד וּלְעוֹלְמֵי עוֹלָמִים"- תְּפִלַּת שַׁחֲרִית/ אֱמֶת וְיַצִּיב)