What curiosity means

Be curious about motives; people reveal solutions when they feel seen - Dale Carnegie
At its core, this is about shifting your focus from the problem a person is presenting to the person having the problem. The solution is often hidden within their motivation.

Quotes about ethics principles

Appeal to the nobler motives when you ask for action - Dale Carnegie
At its core, this principle is about framing your request around the other person's sense of purpose, integrity, or desire to contribute, rather than appealing to their baser instincts like fear, greed, or simple obligation.