The glory of God shines, indeed, in all creatures on high and below, but never more brightly than in the cross.
John CalvinRejoicing refers to moderation of spirit when the mind keeps itself in calmness under adversity and does not give indulgence to grief. Constant praying is the way of 'rejoicing perpetually', for by this means we ask from God alleviation in connection with all our distresses.
John Calvin