ANSWER: No other answer can be given than that his apparent eclipse of faith was due to an eclipse of intellect in the last years. In other words, that he was irresponsible because he was insane. That is my charitable explanation of the sudden change in his conduct. In that case God could pronounce his heart perfect while his head was awry. The commentators with great unanimity skip this verse.
— Steele's Answers pp. 244, 245.