Without ecological balance, there is no real economic benefit.
It is not enough to observe and experiment, theorize and calculate. One must also imagine.
Parents wonder why the streams are bitter, when they themselves have poisoned the fountain.
"Writing about the past is a way of making sense of the present and imagining a different future."
"The challenge is to make the invisible visible."
有时候唯一的出路就是穿过它。
I never buy anything unless I can give myself a good reason why I should buy it.