Famous quotes containing the words ordinary and/or scientific:
“The ordinary man is as courageous and invulnerable as a hero when he does not recognize any danger, when he has no eyes to see it. Conversely, the hero’s only vulnerable spot is on his back, and so exactly where he has no eyes.”
—Friedrich Nietzsche (1844–1900)
“In so far as a scientific statement speaks about reality, it must be falsifiable; and in so far as it is not falsifiable, it does not speak about reality.”
—Karl Popper (1902–1994)
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