Tudo vale a pena quando a alma não é pequena.
The knowledge of the past stays with us to spur us on to new and better things.
时间被认为只有一个维度，而空间有三个维度。
The past is never dead. It's not even past.
百姓如果没有粮食，就不能供君王役使。所以，粮食不可不努力耕种，用度不可不厉行节俭。
Success in business is about building relationships, not just transactions.
