Who said, "A virtue untested is no virtue at all"?

Question

Who said, "A virtue untested is no virtue at all"?

Answer 1

A VIRTUE MADE A FAULT.; THE BALTIMORE'S HORSE POWER NOT ENOUGH. HER EXTRAORDINARY SPEED MADE WITH LESS STEAM THAN CALLED FOR, ASTONISHING THE NAVAL ENGINEERS.

Answer 2

Some jerk

Answer 3

The sentiment was much clearer in "The Razor's Edge", where Bill Murray's character informs the head Buddhist monk of his decision to leave the monastery after several years in isolation.

"It is easy to be a holy man on top of a mountain."

Answer 4

Milton I believe originally stated this belief although what he said originally about the cloistered (untested) virtue has been simplified into the above cliche:

In his tract Areopagitica (1644), its most famous advocate, John Milton, Latin Secretary to the Puritan Interregnum and author of the great English epic Paradise Lost, wrote: "I cannot praise a fugitive and cloistered virtue, unexercised and unbreathed, that never sallies out and sees her adversary, but slinks out of the race where that immortal garland is to be run for...that which purifies us is trial, and trial is by what is contrary ...

Answer 5

from the movie "My Fair Lady"