What can be said at all can be said clearly; and whereof one cannot speak thereof one must be silent.
A tannery's wastewater is the truest measure of its values.
正义：不做伤害别人的事情，做有益的事情是你的责任。
Happiness is not something ready-made. It comes from your own actions.
The companies that thrive will be those that see environmental challenges as opportunities.