In computer science, we often deal with problems that are easy to state but hard to solve.
A book is a dream that you hold in your hand.
力量不在于打击得有多重或有多频繁,而在于打击得有多准确。
我不想谈论那些懒惰的人。我们彼此根本不懂对方。我不了解你,也不想去了解。