The most prominent single element in modern scientific management is the task idea. The work of every workman is fully planned out by the management at least one day in advance, and each man receives in most cases complete written instructions, describing in detail the task which he is to accomplish.

南怀瑾：世间法不空，与般若有挂碍，等于眼中有沙，认生死轮回为实有；出世间法不空，与般若亦有挂碍，等于肉中有刺，认化城为宝所；故有凡夫生死、二乘涅盘的颠倒梦想。

爱就是答案，这一点你很清楚。

The most sustainable plastic is the one that never needs to be made in the first place.