(Muhammad Assad)
13:21 and who keep together what God has bidden to be joined, and stand in awe of their Sustainer and fear the most evil reckoning [which awaits such as do not respond to Him];13:21
(Yousaf Ali)
13:21 Those who join together those things which Allah hath commanded to be joined, hold their Lord in awe, and fear the terrible reckoning;13:21