生命的最高表现在于：一个存在者管理自己的行为。总是受他人指导的事物在某种程度上是死物。
The highest manifestation of life consists in this: that a being governs its own actions. A thing which is always subject to the direction of another is somewhat of a dead thing.
文本是从无数文化中心引用的语录组成的。
You cannot always control what goes on outside. But you can always control what goes on inside.
Be a pro. Back up your back up. Have at least one physical backup and one backup in the cloud. Have more than one of each. How much would you pay to retrieve all your data， photos， notes， if you lost them？ Backups are cheap compared to regrets.