Watch Episode 5: “Use Your Mind or Lose Your Mind”
If your mind isn’t exercised, it’ll waste away. And the best way to increase it’s power is to do the heavy lifting of self-education. That means reading stuff that’s just beyond your present level. If you’re not struggling, you’re not growing. Read it once. Read it twice. If you don’t know the meaning of a word, look it up. Stay with it, and you’ll become the sharpest knife in the drawer.