在我的一生里，也有贫乏和沉默的地域。它们是我忙碌的日子得到日光与空气的几片空旷之地。
There are tracts in my life that are bare and silent. They are the open spaces where my busy days had their light and air.
A mind needs books like as word needs a whetstone.
The key to success is continuous learning and improvement.
每个采石场都有一个写在岩石层和几代工人中的故事