Looking on the internet deeply has found these results:

I am dumb. is the most popular phrase on the web.

The diamond necklace was an election expense he could I'll afford. 10 results on the web	I am dumb. 117,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Oct 1, 2014 ... I know this because I am a dumb woman. (Knowing that I am dumb is one of the very few things that I happen know.) These ads speak to me ... Although I am dumb, somehow I have reached a place where I am surrounded ... that I am dumb when I see others succeed educationally and academically? Jul 23, 2013 ... I am dumb. Dumb is an ill prepared slacker, riding on hunches and intuition. Willfully amnesiac—History, what's that?—dumb is a tabula rasa, ... What should I do if I am becoming "dumb and dumber" everyday? Should I think that I am dumb if I can not answer most of the questions being asked on Quora?

The diamond necklace was an election expense he could I'll afford.

10 results on the web

I am dumb.

117,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Oct 1, 2014 ... I know this because I am a dumb woman. (Knowing that I am dumb is one of the very few things that I happen know.) These ads speak to me ...
Although I am dumb, somehow I have reached a place where I am surrounded ... that I am dumb when I see others succeed educationally and academically?
Jul 23, 2013 ... I am dumb. Dumb is an ill
prepared slacker, riding on hunches and intuition. Willfully amnesiac—History, what's that?—dumb is a tabula rasa, ...
What should I do if I am becoming "dumb and dumber" everyday? Should I think that I am dumb if I can not answer most of the questions being asked on Quora?