Effective Focal Length

Famous quotes containing the words effective and/or length:

“The general fact is that the most effective way of utilizing human energy is through an organized rivalry, which by specialization and social control is, at the same time, organized co-operation.”
—Charles Horton Cooley (1864–1929)

“At length upon the lone Chorasmian shore
He paused, a wide and melancholy waste
Of putrid marshes.”
—Percy Bysshe Shelley (1792–1822)