Which part of this excerpt from ralph waldo emerson's "self-reliance" conveys that it is ideal for people to respect others’ opinions but to care only about their own?

"but the great man is he who in the midst of the crowd keeps with perfect sweetness the independence of solitude."

Explanation:

"but the great man is he who in the midst of the crowd keeps with perfect sweetness the independence of solitude." This is the line that conveys what you are asking. In other words, it talks about keeping your individuality even in a "crowd," or with others. But if you analyze it, he still does not encourage withdrawing from the crowd but being "in the midst" of society while maintaining your independence/ individuality.

She should study and pay attention more.

Explanation:

If a student got a poor grade on her test, she needs to study to understand the test questions and to pay attention so she can figure out the answer from class.