Famous quotes containing the words effective and/or theories:
“Gestures ..., in love, are incomparably more attractive, effective and valuable than words.”
—François Rabelais (1494–1553)
“Our books of science, as they improve in accuracy, are in danger of losing the freshness and vigor and readiness to appreciate the real laws of Nature, which is a marked merit in the ofttimes false theories of the ancients.”
—Henry David Thoreau (1817–1862)
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