In mathematics, you don't understand things. You just get used to them.
I keep challenging myself because I don't want to repeat.
我们的心灵不安,直到在你里面找到宁静。
问题不是谁会让我做,而是谁会阻止我。
赏析:指出灵巧的人和聪明的人往往会因为自己的才能而劳累和忧虑,而没有才能的人则没有太多的追求和烦恼。