对一切数据进行冗余备份，至少要有一个物理硬盘备份和一个云端备份。每个备份都要多于一个。想想要是你弄丢了所有数据、照片、笔记，得花多少钱来找回它们？与遗憾相比，备份很便宜。
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.
"The greatest journeys are not measured in miles, but in understanding."
The best art is almost a form of reporting.
商业是关于解决问题，而不仅仅是赚钱。
追求数学真理就是追求美、优雅和简洁。
操办丧事，虽然礼仪繁多，但表达哀悼之情，才是最根本的。