The document discusses different theories about the nature and development of conscience from various philosophers and religious perspectives. It addresses key points from thinkers like Newman, Butler, Aquinas, Freud, Piaget, Fromm and others. While some see conscience as the voice of God inherent in human nature, others argue it develops gradually through experience and reasoning or is influenced by one's environment and upbringing. Critics question inconsistencies in views that conscience is perfect or always leads to correct decisions.