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.
新鲜面包的香气是安慰的通用语言。
Investors should focus on what they can control: costs, diversification, and time horizon.
Every mathematical problem has a solution; sometimes it just takes time to find it.
"Books are the mirrors that reflect our potential."