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.
唯有丑女或绝世美女才会遮掩自己的面容。
不要再担心可能会出错的事情，开始对可能会顺利的事情感到兴奋。
In the quest to understand quantum gravity, we are like children playing on the shore of a vast ocean, occasionally finding a smooth pebble or a pretty shell, while the great ocean of truth lies undiscovered before us.