Reading history makes people wise, because "taking history as a mirror, we can know the rise and fall"

Reading poetry makes people wise, because poetry is the most concise and beautiful language.

Calculus makes people precise, because the heart will be as thin as a number.

Philosophy makes people profound, because the perspective of the problem is more diverse.

Ethics makes people cultivated, because morality is the norm in everyone's mind.

Rhetoric makes people eloquent, because it depends on logic.