人类的心灵是一个复杂而迷人的主题，理解它既需要科学的严谨性，也需要一点创造力。

If people did not sometimes do silly things, nothing intelligent would ever get done.

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.

正是因为国家倾向于愚蠢和卑劣，民主才有可能。