Everything can be taken from a man but one thing: the last of the human freedoms—to choose one's attitude in any given set of circumstances.
相位裕度是系统在变得不稳定之前可以容忍的程度的度量。
让自己振作起来的最好方法是试着让别人振作起来。
Technology can revolutionize aquaculture, but only if applied with care and foresight.