最好的领导者是那些多听少说的人。
当最后一棵树被砍倒,最后一美元将失去意义。
The difference between good and great is the attention to detail.
Success comes from persistence and hard work.
数学是一种创造性的努力,就像艺术或音乐一样。
That's the only trouble with being a dog...they never tell you anything…