 when omar bin alkhattab may god be pleased with him appointed a worker he would impose four conditions on him he would not ride a mule he would not have a chamberlain he would not wear linen and he would not eat dirhams.
وكان عمر بن الخطاب رضي الله عنه إذا استعمل عاملا شرط عليه أربعا لا يركب برذونا، ولا يتخذ حاجبا، ولا يلبس كتانا، ولا يأكل درمكا.