小人亦有坦荡荡处，无所忌禅是也；君子亦有长戚戚处，终身之忧是也。
小人也有坦荡之处，因为无所忌讳；君子亦有忧戚之处，因终生都忧国忧民。
You have to fight to reach your dream. You have to sacrifice and work hard for it.
To speak ill of others is a dishonest way of praising ourselves.
改变行为的唯一方法是通过操纵强化偶然性。