I want my books sold on airport bookstalls.
In mathematics, the art of proposing a question must be held of higher value than solving it.
Truth is arrived at through rational reflection and observation of the natural world.
在严冬之中,我发现,在我心中,有一个不可战胜的夏天。
解释:不通过学习而能自己知道的,不去请教他人而能自己通晓的,从古到今没有这样的事。