Famous quotes containing the words doubts and/or death:
“As a scientist I’m afraid I’m a professional skeptic who doubts everything, even the certainties.”
—Karl Brown (1897–1990)
“Because men really respect only that which was founded of old and has developed slowly, he who wants to live on after his death must take care not only of his posterity but even more of his past.”
—Friedrich Nietzsche (1844–1900)