37لِمَن شاءَ مِنكُم أَن يَتَقَدَّمَ أَو يَتَأَخَّرَMuhammad Asadto everyone of you, whether he chooses to come forward or to hang back!1Lit., "any of you who chooses...", etc. - i.e., irrespective of whether one has chosen to follow or to disregard the divine call: implying that even true believers may stumble into sinning, and hence need to be warned.