Test Depth

Famous quotes containing the words test and/or depth:

“Whenever a true theory appears, it will be its own evidence. Its test is, that it will explain all phenomena.”
—Ralph Waldo Emerson (1803–1882)

“You are now
In London, that great sea, whose ebb and flow
At once is deaf and loud, and on the shore
Vomits its wrecks, and still howls on for more.
Yet in its depth what treasures!”
—Percy Bysshe Shelley (1792–1822)