The beauty of an algorithm lies in its simplicity and efficiency.

The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when to be obeyed.

【讲解】：有志之士和仁人，不会贪生怕死而损害仁，只会勇于牺牲来成全仁。