乐观是为创造更美好未来的一种策略

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.

只要心意不放纵，就不会出现差错；只要用心不怠惰疏忽，就没有不能坚守的、随意放纵的志向。

Free trade is the key to the prosperity of a nation.

知识的最大敌人不是无知，而是知识的幻觉。

Zero Defects is a performance standard. It is the standard of the craftsman, regardless of his or her trade.