The only person you should try to be better than is the person you were yesterday.
Success is no accident. It is hard work, perseverance, learning, studying, sacrifice and most of all, love of what you are doing.
无论一个人被认为多么自私,他的本性中显然存在某些原则,这些原则使他对别人的命运感兴趣,并将他们的幸福视为自己的必要,尽管他从中除了看到它时的快乐外一无所得。