Because you can be the world’s most intelligent human being, but if you’re obese, and emotionally unstable, you’ll never reach your peak performance, or potential.
Because you can have the most dynomite, in shape body known to man, but if you lack mental focus, and awareness,and have an ugly personality, it just won’t work out.
Because if you are the nicest person and in tune with the universe on the highest level, but can’t face your fears, and make it past the next step, you’ll always emd up in last place.
All 3 parts are as important. Never one over the other.