The world is full of people who have never, since childhood, met an open doorway with an open mind.

Often it is the means that justify the ends: Goals advance technique and technique survives even when goal structures crumble.

可持续性不再是一个选择；它是皮革鞣制未来的必要条件。

效率和道德必须齐头并进；没有另一方，任何一方都无法蓬勃发展。