The Latin phrase nudas veritas meaning "candid truth," first surfaced around 20 B.C. in Horace's Odes. One of the earliest English-version examples was in the 15th century text, The Rolls of Parliament, to outline what a jury should consider to arrive at a verdict: straight facts.
The 1600s ushered in technological developments galore, including the invention of the telescope. For the first time, people needed a way to describe sight unaided by any type of instrument and the same meaning remains four centuries later.
Naked To The World
This appeared in a 1658 Presbyterian text that insisted sinner's actions should be "laid plain" and exposed for everyone to see. Today, it's used less biblically to imply that someone is stripped won emotionally.
An 1860 book criticized Napoleon III for having this, citing his unhidden intention of going to war just for the sake of it. The phrase reappeared in 1980s newspaper headlines about Playboy models wordplay for baring one's body and ambition.