If you can keep your head when all about you are losing theirs and blaming it on you...
An expert is a person who has made all the mistakes that can be made in a very narrow field.
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.
爱情就像沙漏：当心空了，头脑就开始填满。
商业的成功来自于对数字和背后的人的理解。