最困难的是在当下富足地生活，而不让它被过去或未来玷污。

"We need to be insatiable in our desire to learn from the outside and bring that learning into Microsoft."

"Memory is a tricky thing; it can be both a blessing and a curse."

系统对给定输入的响应是其历史记录的函数。

真正的黑帮像千层面一样安静行动。