I hold every man a debtor to his profession； from the which as men of course do seek to receive countenance and profit， so ought they of duty to endeavor themselves by way of amends to be a help and ornament thereunto.
出自北齐·颜之推《颜氏家训·勉学》。积累财富千万，也胜不过多读些书有用。古代有“书中自有黄金屋，书中自有颜如玉”的说法，读好书就能财源滚滚、美女满室。这句话意在强调读书以立世的重要意义。
循环经济不仅仅是一个理想，而是唯一可行的前进道路。
Life is not complex. We are complex. Life is simple, and the simple thing is the right thing.
Nature is to be followed, but only when it is refined by art.
