你必须愿意失败，愿意犯错，愿意带着学到的教训重新开始。

It is better for you to be free of fear lying upon a pallet, than to have a golden couch and a rich table and be full of trouble.

必须尊重过去，但不能复制过去。

If you lose or forget to bring a cable，adapter or charger，check with your hotel. Most hotels now have a drawer full of cables，adapters and chargers others have left behind，and probably have the one you are missing. You can often claim it after borrowing it.

最重要的是关注用户，其他一切都会随之而来。