You control your future, your destiny. What you think about comes about. By recording your dreams and goals on paper, you set in motion the process of becoming the person you most want to be. Put your future in good hands — your own.

当不同的思想汇聚在一起时，才能做出最好的科学。

概率论作为一门数学学科，可以而且应该像几何和代数一样从公理出发进行发展。

每个人自己的满足是他关注的一切的中心。

机械和节省劳力的装置只有在降低制造成本时才具有价值。