Famous quotes containing the words twenty and/or grades:
“The measure of a master is his success in bringing all men round to his opinion twenty years later.”
—Ralph Waldo Emerson (1803–1882)
“Kindliness seems to exist primarily as an animal instinct, so deeply rooted that mental degeneracy, which works from the top down, does not destroy it until the mind sinks to the lower grades of idiocy.”
—Charles Horton Cooley (1864–1929)