Only two things are infinite: the universe and human stupidity. I‘m not sure about the former, but I know of a third example, human genius.

语音讲解
单词发音
only /ˈəʊnli $ ˈoʊn-/
infinite /ˈɪnfənət/
stupidity -y结尾的单词重读落在倒数第三个音节 /stjuːˈpɪdəti $ stuː-/
genius /ˈdʒiːniəs/
连词发音
things are infinite /θɪŋzərˈɪnfənət/
轻读重读
重读：two/ stupidity
弱读：are/the/ and

词汇讲解
1.infinite adj.
释义：without limits in space or time
例句：Teaching little children takes infinite patience.
教育幼儿须有极大的耐心。
反义词 finite 有限的
The physical universe is finite in space and time.
物质世界在时间和空间上是有限的。
2.stupidity noun.
stupid的名词形式
例句：Conceit is associated with stupidity and ignorance.
骄傲的朋友是愚蠢和无知。
3.know of
例句：I'm surprised that you didn't know of such an important event.
这么大的事你竟会不知道？
know精讲
A. know 知道，了解 侧重直接性
例句：I know her very well 我很了解她
B. know about 知道关于...的情况
例句：I happened to know about him. 我碰巧了解他的情况。
C. know of 知道有... 听说过..侧重间接性
I know of the town but I've never been there. 我知道有那么个镇子，但从未有过那里。
活学活用
infinite
英文：Obviously, no company has infinite resources.
中文：显然，没有哪个公司的资源是无限的。

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