Emerson says adults develop a divided and rebel mind that is the start of their self reliance. This behavior leads to becoming more independent.
cartesian or duality of the mind/ body theory.
'A sound mind in a sound body'.
How to develop the message
use the 5 Why's
Your child can do yoga from an early age. And yoga will help them to develop a healthy flexible body as well as helping them develop their mind and powers of concentration.
You develop a martial arts state of mind by attending classes, listening to the master, practicing your forms, and participating in tournaments.
The most likely thing that most people develop when that are sick is an imbalance in their body, and often their mind as well. The other consideration is that that the sickness can come from within the body or from an external source, outside the body.
To develop computer knowledge you will need schooling in the art of coding. Writing programs requires knowledge of the language to be used, but more than that it requires a precise and logical mind.
You must learn to focus your mind enough to be able to focus on a single object (Without your mind wandering). After that, you imagine the object floating, or moving, and focus on that. With enough practice, you should be able to lift small objects. The same thing is true for mind controll.
Poetry imparts velocity to human mind which is otherwise still. A mind with velocity will gain momentum which will lift it like an aeroplane. That is why it is said that poetry elevates human mind, which is one of the main functions of poetry. Once the mind thus becomes kinetic, it can look after itself and be informed or developed as it wishes.
When comparing adults to children Emerson says adults develop a divided and rebel mind that has a "distrust of a sentiment because our arithmetic has computed the strength and means opposed to our purpose."