I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection.  
Every moment of one's existence one is growing into more or retreating into less.
可持续性不是一种选择;它是水产养殖唯一的前进道路。
Contentment is natural wealth,luxury is artificial poverty.
Profit and sustainability must go hand in hand; one cannot exist without the other.
The integration of design and manufacturing is key to success in this industry.