When you're talking about fighting, as it is, with no rules, well then, baby you'd better train every part of your body!

Bodily exercise, when compulsory, does no harm to the body; but knowledge which is acquired under compulsion obtains no hold on the mind.

When you fight, if it is a real fight, use every tool that you have, use your whole body. Use your fists, your legs, your fingers, your head if you have to, and hit them in every vulnerable spot, the balls, the eyes etc. to win.

I refer to my hands, feet and body as the tools of the trade. The hands and feet must be sharpened and improved daily to be efficient.

Alas! Your dear friend and servant Galileo has been for the last month hopelessly blind; so that this heaven, this earth, this universe, which I by my marvelous discoveries and clear demonstrations had enlarged a hundred thousand times beyond the belief of the wise men of bygone ages, henceforward for me is shrunk into such a small space as is filled by my own bodily sensations.

The first rule is to keep yourself well covered at all times and never leave yourself open while sparring around the bag. By all means use your footwork — side stepping, feinting, varying your kicks and blows to the bag. Do not shove or flick at it. Explode through it and remember that the power of the kick and punch comes from the correct contact at the right spot and at the right moment with the body in perfect position; not, as many people think, from the vigor with which the kicks or blows are delivered.

Courage conquers all things: it even gives strength to the body.

For neither does wealth bring honour to the owner, if he be a coward; of such a one the wealth belongs to another, and not to himself. Nor does beauty and strength of body, when dwelling in a base and cowardly man, appear comely, but the reverse of comely, making the possessor more conspicuous, and manifesting forth his cowardice.