“Possibly, but my concern is that there not be more things in my philosophy than are in heaven and earth.”
Response to being quoted William Shakespeare's statement from Hamlet: "There are more things in heaven and earth… than are dreamt of in your philosophy." As quoted in When God is Gone Everything Is Holy: The Making Of A Religious Naturalist (2008) by Chet Raymo
1980s and later
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Willard van Orman Quine 25
American philosopher and logician 1908–2000Related quotes
Dracula's Daughter, telling Garth that she believes Von Helsing's story of vampires Unbeknownst to Garth, the Countess is a vampire.
Dracula's Daughter (1936)

Walking (June 1862)
Source: Civil Disobedience and Other Essays
Short definition, tall order.
An Integral Spirituality

“Nothing is further than Earth from Heaven: nothing is nearer than Heaven to Earth.”
Augustus William Hare and Julius Charles Hare Guesses at Truth (London: Macmillan, ([1827-48] 1867) p. 563.
Misattributed

“Heaven and earth will pass away, but my words will not pass away.”
Mark 13:31, NWT
New Testament, The Gospel of Mark

Epitaph he composed for himself a few months before he died, as quoted in Calculusː Multivariable (2006) by Steven G. Krantz and Brian E. Blank. p. 126
Unsourced variant: I used to measure the Heavens, now I measure the shadows of Earth. The mind belonged to Heaven, the body's shadow lies here.

“The Angel was in the earth, and she led me to fix my eyes in Heaven.”
And the remnants of the world were renewed by children and it was called Paradise.

Source: Attributed in posthumous publications, Einstein and the Poet (1983), p. 94