44 And yet it is agreed on that Christ performed all those miracles which He wrought without any aid from external things, without the observance of any ceremonial, without any definite mode of procedure, but solely by the inherent might of His authority; and as was the proper duty of the true God, as was consistent with His nature, as was worthy of Him, in the generosity of His bounteous power He bestowed nothing hurtful or injurious, but only that which is helpful, beneficial, and full of blessings good for men.
Source: Against the Heathen (New Advent)