Emerson thinks adults are less likely than children to say what's on their mind or do what they want to do because

The reason of this because adults are more mature than children, where in they think about things first or their actions before doing it because it has consequences. Children on the other hand, does not mind of telling what they want to say or do for they are still children who does not know much about the world for they are still learning and they only have limited knowledge than of the adults.

Explanation:

If there's any universal truth or common teaching across various religions, it's probably the golden rule: Treat others as you would want to be treated yourself. As TeachingValues.com points out, this tenet is expressed in Christianity, Confuscianism, Buddhism, Hinduism, Islam, Judaism, Taoism, and Zoroastriantism.