Science is not just about discovery, but also about the application of knowledge to improve human life.
科学不仅仅是关于发现，也是关于应用知识来改善人类生活。
可持续性不是一种选择，而是唯一的前进道路。
Success comes from persistence and focus.
解释：手指粗于胳膊， 胳膊粗于大腿， 病情必然很重。
Literature is the question minus the answer.
A legal system is a system of rules which are valid according to the system's own criteria of validity.