Final answer:
Dimmesdale's secret sin leads to psychological distress and a disconnection from his community, illustrated by his despairing quote on the loss of faith and attribution of the world to the devil, signifying complete hopelessness.
Step-by-step explanation:
Impact of Secret Sin on Dimmesdale's Life
Dimmesdale's secret sin profoundly affects his life, leading to intense psychological distress and a feeling of disconnection from his community. He grapples with guilt and hypocrisy, as he is revered as a holy man while concealing his sin. This inner turmoil is exemplified when he exclaims, "My Faith is gone! There is no good on earth; and sin is but a name. Come, devil; for to thee is this world given." This quote encapsulates his despair and the notion that his undisclosed sin has not only stripped him of his faith but also granted him a sense of hopelessness and resignation to evil.
Such emotional and psychological torment manifests in Dimmesdale's deteriorating physical health and social behavior, leading him towards a path of self-destruction. In the broader context of the story, it illustrates the destructive nature of secret sins and the consequences of living a life misaligned with one's values.