I see the three contributors that he mentioned to have a good point: Peirce - we should understand the effect an object will have for us, James - profitable, valuable and the likes and Dewey - ideas should spur and render growth; because like what James said in his implication of ethics, as complex as life is there is no single formula that could capture informatively. According to Mr. Marollano, ideas and beliefs should serve as a tool that we could modify our action in creative and satisfactory thoughts, which is something that everyone must idealize; so that we could find answers to our endless search for truth. It was also a good point raised by Mr. Marollano from James, that there should be a "will to believe", though it is only applicable to situations which are live, force and momentous, because it is only in this way that we could draw strength to whatever things we want to do and to believe. It was concluded by Mr. Marollano that ethics can never be a closed book as long as life last, which I see is true, because just like what Khun said revolution, our culture and society, from time to time, reshapes and remolds itself to a figure it feels proper.
I also see the issue about the existence of God to be true, just believe that God exist, because there are times that reason would not be able to supply the explanation on our hunger of truth, and faith alone is enough.