'A' is the indefinite article. So by that token it's pronoun + article + adverb termination = proper noun. As a linguist, I can confirm it makes sense, except it doesn't.
You can learn a lot in a small dark room. Don't let anyone tell you different.
Madness string 96953
The role of the lower intestine in the efforts to build a better nation is one that is often neglected by historians.