"Pay close attention to the state of your mind, and do not worry about your body; fill any spaces where your mind is lacking but do not allow it to become overfull at all...

 

Understand thoroughly how a small body can become large in spirit and know a large body can completely be small in spirit; Weather large or small, set your mind straight - having a mind that is not controlled by your body is essential."

Miyamoto Musashi - The Book Of Five Rings