NET
13 But we will not boast beyond certain limits, but will confine our boasting according to the limits of the work to which God has appointed us, that reaches even as far as you.
Darby
13 Now *we* will not boast out of measure, but according to the measure of the rule which the God of measure has apportioned to us, to reach to you also.
KJV
13 But we will not boast of things without [our] measure, but according to the measure of the rule which God hath distributed to us, a measure to reach even unto you.