Answer:
The baby was discovered by a ghost-couple, who met their death and subsequently woke up to life (probably, life after death) in the graveyard premises. They were childless when alive, and after being coaxed by the mother of the toddler, finally decide to be Samaritans and adopt the baby, thus, turning as the boy’s foster parents.
The irony of the story relies on the principle that nothing is truly perfect in life. It was not the fire that directly disabled Rochester but the events that surrounded the people who were in that fire which caused Rochester to lose his eyesight and one of his hands. This was not entirely a bad experience because it ultimately brought him back to Jane.
Answer:
They interfere with the way you view the information
What the excerpt is trying to convey is that, with the current generation we are so preoccupied with own self-interests. We value vanity, self and glory without considering the individuals we face as we walk, as we talk and as we engage. The passage reinstates that individuals have to get back and introspect about not their own gratifications and egotistical desires but the welfare with others, even though it is innate and inevitable that we always point to the ego.