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。

The future belongs to those who see possibilities before they become obvious.

You can't go back home to your family, back home to your childhood, back home to romantic love, back home to a young man's dreams of glory and of fame, back home to exile, to escape to Europe and some foreign land, back home to lyricism, to singing just for singing's sake, back home to aestheticism, to one's youthful idea of 'art' and beauty, back home to the ivory tower, back home to places in the country, to the cottage in Bermuda, away from all the strife and conflict of the world, back home to the father you have lost and have been looking for, back home to someone who can help you, save you, ease the burden for you, back home to the old forms and systems of things which once seemed everlasting but which are changing all the time—back home to the escapes of Time and Memory.

The writer's task is not to judge, but to understand.

The power of cryptography is not just in keeping secrets, but in enabling trust in a digital world.