我们都害怕——为我们的信心，为未来，为这个世界。

Should seize every opportunity to prove to everyone that you, prove that you are able to meet the challenge.

优化是在给定约束条件下做出最佳决策的艺术。

我不是为评论家唱歌，我是为歌迷唱歌。

The power of words is that they can create worlds.

心灵是应对生活挑战的生物工具。