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.
最好的艺术作品是问题，而不是答案。
医学的未来在于从最基础的层面理解生命。
Challenges are opportunities in disguise; embrace them and grow stronger.
Every book is a journey.