AphDem11.215:2 :ܒܕܪ ܕܪ ܣܡ ܐܠܗܐ ܢܡܘ̈ܣܐ܂ ܘܫܡܫܘ ܙܒܢܐ ܕܫܦܪ ܠܗ ܘܐܬܚܠܦܘ‏ : in each generation God set laws and they were valid for the time that pleased Him and then were changed
See the entire entry for šmš vb. D to serve