Kays 200:2 :ܘܒܝܕ ܠܐ ܡܫܬܚܠܦܢܘܬ ܢ݁ܡܘ݁ܣܗܘܢ ܘܡܪܕܝܬܗܘܢ ܗܐ ܙܦܠܢ ܐ̈ܠܦܐ ܕܫܢܝ̈ܐ ܡܬܝܕܥܝ݂ܢ ܕܫܒܝ݂ܚ ܗ݂ܘ ܟܝ݁ܢܗܘܢ‏ : through the unchangeability of their rules and course for some thousands of years now it is known that their nature is praiseworthy
See the entire entry for meštaḥlpānū, meštaḥlpānūṯā n.f. changing