Formal, no. 
Archaic, nope. 
Goofy, now we're getting somewhere. 

Pebble is a mine. Your voice is a my. 

“Vigorous writing is concise. A sentence should contain no unnecessary words, a paragraph no unnecessary sentences, for the same reason that a drawing should have no unnecessary lines and a machine no unnecessary parts. This requires not that the writer make all his sentences short, or that he avoid all detail and treat his subjects only in outline, but that every word tell.” 

― William Strunk Jr., The Elements of Style

“Compensation and remuneration say nothing that pay does not say better. Gift is more to the point than donation. Room will beat accommodation every time, as try will defeat endeavor."

— Alden S. Wood

Man in Black: "Truly, you have a dizzying intellect." 
Vizzini: "Wait till I get going!"

—The Princess Bride