A strong body makes the mind strong. As to the species of exercises, I advise the gun. While this gives moderate exercise to the body, it gives boldness, enterprise and independence to the mind. Games played with the ball and others of that nature are too violent for the body and stamp no character on the mind. Let your gun therefore be your constant companion of your walks.

Reading to the mind is what exercise is to the body.

What problems can there be which the mind did not create? Life and death do not create problems; pains and pleasures come and go, experienced and forgotten. It is memory and anticipation that create problems of attainment or avoidance, colored by like and dislike. Truth and love are man’s real nature, and mind and heart are the means of its expression.

A strong body makes the mind strong... I advise the gun. While this gives moderate exercise to the body, it gives boldness, enterprise, and independence to the mind.

train your mind just like you train your body to keep fit.

Yet it is in this whole process of meeting and solving problems that life has its meaning. Problems are the cutting edge that distinguishes between success and failure. Problems call forth our courage and our wisdom; indeed, they create our courage and our wisdom. It is only because of problems that we grow mentally and spiritually.

The habits of a vigorous mind are born in contending with difficulties.

Problems are challenges to creative minds. Without problems, there would be little reason to think at all.

The problem is not yours — it is your mind’s only. Begin by disassociating yourself from your mind. Resolutely remind yourself that you are not the mind and that its problems are not yours.

Sickness is a problem for the body, not the mind — unless the mind decides that it is a problem. Lameness, too, is the body's problem, not the mind's. Say this to yourself whatever the circumstance and you will find without fail that the problem pertains to something else, not to you.

Your biggest problem is you think you shouldn’t have them. ‘Cause problems are what make us grow. Problems are what sculpt our soul. Problems are what make us become more.

An untrained mind can accomplish nothing. It is the purpose of these exercises to train the mind to think along the lines which the course sets forth.

Reading is to the mind, what exercise is to the body. As by the one, health is preserved, strengthened, and invigorated: by the other, virtue (which is the health of the mind) is kept alive, cherished, and confirmed.

there is a relationship between the mind and the body that can both create a physical condition and enable us to recover from it