Equivalent Focal Length

Famous quotes containing the words equivalent and/or length:

“Nobody can deny but religion is a comfort to the distressed, a cordial to the sick, and sometimes a restraint on the wicked; therefore whoever would argue or laugh it out of the world without giving some equivalent for it ought to be treated as a common enemy.”
—Mary Wortley, Lady Montagu (1689–1762)

“When one man has reduced a fact of the imagination to be a fact to his understanding, I foresee that all men will at length establish their lives on that basis.”
—Henry David Thoreau (1817–1862)