The best way to optimize a program is to optimize it.
When you arrive at your room in a hotel， locate the emergency exits. It only takes a minute.
我不相信過度分散投資。我更喜歡集中在幾個好主意上。
Never use a credit card for credit. The only kind of credit， or debt， that is acceptable is debt to acquire something whose exchange value is extremely likely to increase， like in a home. The exchange value of most things diminishes or vanishes the moment you purchase them. Don’t be in debt to losers.