每一种东西的价格都会因时间和地点的不同而涨落;每一次这样的变化都会改变货币的购买力。
The present is a fragile bridge between the past and the future.
What can be said at all can be said clearly; and whereof one cannot speak thereof one must be silent.
艺术家必须是神秘的孩子。
Technology in forestry should enhance nature's processes, not replace them.