Know How, Know Why, Know What and When 把時間花在哪裡，成就就在哪裡 time is your most valuable resource, speed is your best friend 用實作來學習，永遠是初學的王道!以實戰來練習，永遠是進階的捷徑! Practice makes perfect. All experience comes from mistakes. Don’t be one of the leeches.