The test of a psychological theory is its applicability to life.
【释义】当商品价格高涨时,要像对待粪土一样迅速出售;当商品价格低廉时,要像对待珠玉一样大量购入。
I don't fear failure. I fear not trying.
爱国英雄给民族带来光荣,专制暴君给民族带来灾难。