Famous quotes containing the words effective and/or theories:
“More! is as effective a revolutionary slogan as was ever invented by doctrinaires of discontent. The American, who cannot learn to want what he has, is a permanent revolutionary.”
—Eric Hoffer (19021983)
“The theories and speculations of men concern us more than their puny accomplishment. It is with a certain coldness and languor that we loiter about the actual and so-called practical.”
—Henry David Thoreau (18171862)
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