A brain is a society of very small, simple modules that cannot be said to be thinking, that are not smart in themselves. But when you have a network of them together, out of that arises a kind of smartness.
It is very important to generate a good attitude, a good heart, as much as possible. From this, happiness in both the short term and the long term for both yourself and others will come.
After watching films of Jim Brown, I noticed that he never ran out of bounds. He always ran North and South and that's what I turned my style into. I was a North and South runner.