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.

选择比天赋更重要 今天我想对你们说的是，天赋和选择不同。聪明是一种天赋，而善良是一种选择。天赋得来很容易——毕竟它们与生俱来。而选择则颇为不易。如果一不小心，你可能被天赋所诱惑，这可能会损害到你做出的选择。

我的科学劳动给我带来了极大的满足，我深信不久之后整个世界都会承认这些劳动的成果。