There's only one corner of the universe you can be certain of improving,and that's your own self.
宇宙中只有一芥之地你肯定可以改善,那就是你自己。
我不害怕失败,我害怕不去尝试。
Sustainable development is not a choice, but a responsibility.
The less secure a man is, the more likely he is to have extreme prejudice.