Nothing ever becomes real till it is experienced.
人は、失敗から学び、成長する。
一旦某件事成为激情,动力自然就来了。
It is remarkable that a science which began with the consideration of games of chance should have become the most important object of human knowledge.
一本书是一面镜子:如果一只猿猴看进去,一个使徒几乎不可能看出去。