每个回声都包含着它所处空间的历史。
Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them - and then, the opportunity to choose.
The best way to predict the future is to create it.
Aquaculture isn't an alternative to wild fisheries; it's a partner in preserving them.
真正的问题不是机器是否会思考,而是人是否会思考。