自由就是对自己负责。
The only limit to our realization of tomorrow is our doubts of today.
译文：学习不以广博为贵，贵在学得正确，说话不以漂亮动听为贵，贵在表达得当。赏析：读书求学要走正道，要有正确的学习观，不能学习旁门左道。和别人交往，说话不一定要动听，一定要正确表达，不要出口伤人。
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.