It is a singular, tremendous privilege if the Almighty grants a person an aptitude for, and a delight in, doing a fellow Jew a favor. If the Almighty grants a person that his fellow man will be more dear to him than himself... It is worth one's while to toil five hours a day for five days -- toil of the body and toil of the soul -- to comprehend the Divine, if the result is that one truly desires to do a favor to a fellow.