不患人之不己知，患其不能也。
【譯文】不擔(dān)心別人不了解自己，就怕自己沒(méi)有能力。
The world is everything that is the case.
I don't believe in luck. I believe in preparation meeting opportunity.
研究歷史是政治智慧的開(kāi)始。
The most perfect education, in my opinion, is such an exercise of the understanding as is best calculated to strengthen the body and form the heart.