The tradition mentioned above has also been transmitted by Simak (b. Harb) with a different chain of narrators and to the same effect. The first version is more perfect. It does not mention the words "at the current rate".
USC-MSA web (English) Reference: Book 22 , Number 3349
قال الشيخ زبير على زئي: حسن انظر الحديث السابق (3354)