Ellicott's commentary:' So far as the phrase has any special point, it indicates that he was not praying to God at all; he was practically praying to himself, congratulating himself, half-consciously, that he had no need to pray, in the sense of asking for pardon, or peace, or righteousness, though it might be right, by way of example, to perform his acts of devotion and to thank God for what he had received'