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.

生命的历史由突变书写。

The impact of unions on wages and employment is often misunderstood.

教师是太阳，学生是月亮。教师发光，学生反射。

Faith is the light that guides me through the darkness.