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.
We are all migrants through time.
道不喜欢杂乱，杂乱就会繁多，繁多就会扰乱，扰乱就会忧虑，忧虑就无法挽救。
你想知道你是谁吗？不要问。行动！行动将描绘和定义你。
Mathematics is the art of giving the same name to different things.
旋律是很美妙的，但听不见的会更美。
狗是人类的朋友，因为它看人不分贵贱。