宇宙不断给我们带来惊喜，这正是科学如此令人兴奋的原因。

Courage doesn't always roar. Sometimes courage is the quiet voice at the end of the day saying, "I will try again tomorrow."

译文：用镜子照自己可以看见形体容貌，用心性照自己，可以遇见祸福吉凶。赏析：以铜为镜可以正衣冠，以心为镜可以知吉凶。我们要努力提高自己的文化修养，砥砺自己的品格，与人为善，人生就会少很多祸患和不祥。

To survive is to find meaning in suffering.

"The only thing that is truly infinite is the human capacity for love."

The spread of liberal democracy and the integration of the world economy have created a situation in which the major powers are no longer willing to risk war with one another.