根据问题出现的背景，代数实部可以接受从负无穷到正无穷的所有数值。

出自汉·桓宽《盐铁论·申韩》，也有说出自《盐铁论·险固》。有所准备就能制服别人；没有准备只能被别人制服。释义：有准备就能钳制住别人；没有准备就要受别人的钳制。

世俗的君子，如果他很穷你却说他很富，他就会发怒；如果他不义你却说他有义，就很高兴。 

The so-called ‘information age’ has given us a surplus of information and a deficit of meaning.

我对超越感兴趣，超越极限。

You have to believe in yourself when no one else does.

一个思想的价值在于它对行为的后果。

In mathematics, the journey of discovery is as important as the destination.

The role of a newspaper is to comfort the afflicted and afflict the comfortable.