Leadership is about inspiring others to see what they can become, not just what they are.
You don’t need a weatherman to know which way the wind blows.
数学之美在于它能够揭示看似复杂事物背后的简单性。
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.