Final answer:
Emerson suggests that a great thinker acts by exercising individuality, freedom, and nonconformity.
Step-by-step explanation:
Ralph Waldo Emerson suggests that a great thinker acts by exercising individuality, freedom, and nonconformity. According to Emerson, a great thinker is someone who thinks for themselves, rejects societal conformity, and stays true to their own beliefs. He encourages people to rely on their own thoughts and intuition, to explore nature for spiritual connection, and to be inspired by the divine soul. Emerson's ideas on self-reliance and nonconformity have greatly influenced American thinkers and writers.