Final answer:
The excerpt from Ralph Waldo Emerson's 'Self-Reliance' illustrates the transcendental belief that society and government corrupt the individual.
Step-by-step explanation:
The transcendental belief that is best illustrated by this excerpt is Society and government corrupt the individual. Emerson suggests that when an individual enters society, their unique voice and sense of self becomes diminished and overpowered by societal expectations and norms. He states that society is in conspiracy against the manhood (or individuality) of its members. This aligns with the transcendentalist belief in the corrupting influence of society and the importance of maintaining one's individuality despite societal pressures.
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