tudy.  According to Eliot’s Middlemarch, it is said “Here and there a cygnet is reared uneasily among the ducklings in the brown pond, and never finds the living stream in fellowship with its own oary-footed kind”(159).  It implies that no one realize until they find something that is a fact or truth.  Science also can be applied the contemporary living stream in social situation like the story of ugly ducking.        ...