When you focus on doing what's right rather than what's easy, success follows naturally.
The world is all the richer for having a devil in it, so long as we keep our foot upon his neck.
Man is by nature a reasonable being, but animals, other than man, are by nature instruments of brute force.
真相往往隐藏在我们心灵最黑暗的角落。
游览过五岳之后，其他的山就没什么可看的了；而游览过黄山之后，连五岳也没什么可看的了
Most people overestimate what they can do in one year and underestimate what they can do in ten years.