The past is a foreign country; they do things differently there.
法律规范的有效性不是基于其内容,而是基于颁布它的权威。
It's survival of the fittest.
Hold on to your dreams, never give up, and success will come one day.
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
在科学中听到的最令人兴奋的短语,预示着新发现的,不是“我找到了!”而是“这很有趣...”
有权势的天子,也未必尊贵;穷苦的平民,也未必低贱。贵贱的分别,在于行为的美恶。