Don't worry about what anybody else is going to do. The best way to predict the future is to invent it.
The writer's duty is to tell the truth, even when it is uncomfortable.
森林的真正价值不能用板材英尺来衡量,而应该用地球的呼吸来衡量。
恩泽中可能潜藏祸患,所以得意时要能尽早回头;失败后反而能够成功,因此失意时千万不要气馁。
一个有信仰的人,他的社会力量,是相等于九十九个仅仅只有着各自、各样兴趣的人。
In mathematics, the art of proposing a question must be held of higher value than solving it.