过去不是为了生活其中;它是一个结论的源泉,我们从中汲取以行动。
The past is not for living in; it is a well of conclusions from which we draw in order to act.
If we believe in data structures, we must believe in independent (hence simultaneous) processing. For why else would we collect items within a structure? Why do we tolerate languages that give us the one without the other?
"We sleep safe in our beds because rough men stand ready in the night to visit violence on those who would do us harm."