我们对黑洞了解得越多,就越意识到我们还有多少未知。
The health of our seafood begins with the health of our waters.
The world always seems brighter when you've just made something that wasn't there before.
写作是一种自由行为,而自由对那些想要控制思想的人来说总是危险的。
你知道得越多,就越意识到自己知道得多么少。
The Internet is a powerful tool for education, but it is not a substitute for the teacher.