What is generally a person's main goal when they spend time learning about a subject?\nOptions:\n- change\n- gain knowledge\n- elation\n- headache\n- boredom
Stream of thoughts:
gain knowledge
Gain knowledge or have more knowledge is gain skill by studying, practicing, being taught, or experiencing something.

To gain knowledge is generally a person's main goal when they spend time learning about a subject.

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So, the answer is gain knowledge