Heb 3:15 :ܠܵܐ ܬ݁ܩܲܫܘ݂ܢ ܠܸܒ݁ܲܘܵܬ݂ܟ݂ܘ݂ܢ̈ ܠܡܲܪܓ̇ܵܙܘ݂ܬ݂ܸܗ‏ : do not harden your hearts to anger him
See the entire entry for rgz vb. to be angry