The psychologist must be a neutral observer.
In mathematics, as in life, the most profound discoveries often come from asking the simplest questions.
The past is always changing, because we are always changing our relationship to it.
贫困和无知可能逐渐消失的希望,确实从十九世纪工人阶级的稳步进步中得到了很大的支持。
市场总是在寻找下一个趋势。
白种人相信——全心全意地相信——他们有权夺取土地。
实现梦想的唯一方法是每天努力工作。