自然界的存在与任何命题的存在是同一类型的事实。

The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.

Well may the boldest fear and the wisest tremble when they contemplate the situation of our country.

未来属于今天为之准备的人。

绩效标准是“零缺陷”。

我不听别人说什么。我只是上场表现。