Do you want to appear to be more intelligent?

Develop superior speaking skills.

James Clear wrote:

“The better you communicate, the more intelligent you appear.”

In research by Sylvia Ann Hewlett published in Harvard Business Review,

it is by far the most important communication trait for leaders.

Because:
It enhances your executive presence.

You will be perceived as more intelligent.

You are more likely to close the deal, get the investment, get the promotion.