贫困和无知可能逐渐消失的希望，很大程度上源于十九世纪工人阶级的稳步进步。

The most important thing is to have a vision of what you want to do and then to have the persistence to carry it out.

思索寓含着判断，我们都那么偏执，以至会做出否定的判断，所以在卧室时，我们总是心存疑虑。

Free competition is the great means of increasing the efficiency and prosperity of the economic system.

白色是最奇妙的颜色，因为其中可以找到彩虹的所有颜色。