成功数据库系统的关键在于其能够随着用户需求的变化而发展。
The key to a successful database system is its ability to evolve with the changing needs of its users.
你无法改变生命的长度，但你可以改变它的宽度和深度。
不偏不倚叫做中，不改变叫做庸。
Changing the destructive things you say to yourself when you experience the setbacks that life deals all of us is the central skill of optimism.
The study of the early universe is not just about understanding the past, but also about uncovering the fundamental laws that govern all of reality.
