1. rote learning may get you through college for four years, but it will ruin your next 40 years.
2. You feel sorry for your friend's failure; Your friend got the first place in the exam, and you feel even worse.
3. Live in the present, regardless of gains and losses, and do nothing.
4. Always worrying about tomorrow, how can you grasp today?
His brain must be valuable because it has never been used.