There are parallels between the passion invested in the love of God, the longing for heaven, life everlasting, and other religious ideas, fantasies, beliefs, concepts, and qualities which are only indirectly demonstrable, and certain passions felt between human beings. One may do more than just draw a parallel. One may hypothesize that our conceptualizations have a real basis in historical biological fact, and, further, that these conceptualizations offer clues to the origin of our wishes and fears in phylogenetic and ontogenetic experiences. Along this line of reasoning, we could not have conceived of God, or heaven, or hell, if we had not either during evolution or during ontogenesis, experienced, sensed, or felt something like the feelings associated with the ideas of God, heaven, and hell. Concept formation arises from a latent feeling in us, which is awaiting the development of ideas and people through which to find expression, and there can be modification of these feelings depending on ontogenetic experience. My main purpose in setting up these initial considerations is to preface a discussion of the emotional investment in religion and, conversely, to use religious concepts toward an understanding of man's emotional drives, especially to suicide, by integrating these concepts back to their source of emotional energy. The concepts of God and heaven need to be correlated with feelings of oceanic oneness, experienced by both normal and psychotic people, and with the feelings of loss of reality and loss of ego boundaries by the psychotic, who often feels at one with God, or intensely suicidal or homocidal. God is often depicted as a creator, a creator of heaven and earth, as omnipotent. God may be seen as the father from whom the individual separated as a sperm, and also the mother from whom he separated as an ovum, and also himself at the time of conception as a fertilized ovum. Here God represents union. God may be seen as representing derivatives of other intermediate levels of development, but for the purpose of this discussion, I wish to stay at this primitive level.