The writer must be a traitor to his class, his country, his religion—to everything except his conscience.
天文学的历史是一部视野不断扩展的历史。
It's my life, it's now or never.
世界必须有序。伦理必须由科学来处理,而不仅仅是意见的时代已经到来。
When you lend somthing pretend you are gifting. If it is returned, you'll be surprised and happy