Answer:
The line from Pope’s Essay on Man that uses antithesis is Whether he thinks too little, or too much.
Step-by-step explanation:
An antithesis is a figure of speech a that contrasts two ideas through the opposition, the line contains the opposites "too little, or too much", this talks about an opposite on quantities, the rest of the lines do not show any kind of contrasting ideas, therefore, there are no more examples of antithesis in this part of Pope’s Essay on Man.