The goal of software architecture is to minimize the amount of knowledge you need to have in order to build a system.
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.
Innovation without execution is just a dream.
I pray Heaven to bestow the best of blessings on this house and all that shall hereafter inhabit it. May none but honest and wise men ever rule under this roof.
战争不是解决问题的手段，只是表明问题的失败。