计算机科学中的挑战不仅仅是解决问题，而是找到正确的问题来解决。

What you actually pay for something is at least twice the listed price because of the energy， time， money needed to set it up， learn， maintain， repair， and dispose of at the end. Not all prices appear on labels. Actual costs are 2x listed prices.

The only way to do architecture is to do architecture.

"The world is full of stories, but the stories are all one."