“5196. To leave no Stone unturn'd.”
Introductio ad prudentiam: Part II (1727), Gnomologia (1732)
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Thomas Fuller (writer) 420
British physician, preacher, and intellectual 1654–1734Related quotes

“A rolling stone, that gathers no moss, but leaves a trail of busted stuff.”
Busted Stuff
Busted Stuff (2002)

“Leave your stepping stones behind, something calls for you.”
Song lyrics, Bringing It All Back Home (1965), It's All Over Now, Baby Blue

“FABLEHAVEN: None who enter will leave unchanged. Trespassers will be turned to stone.”

As quoted in Flicker to Flame : Living with Purpose, Meaning, and Happiness (2006) by Jeffrey Thompson Parker, p. 118
This quotation is likely a modern paraphrasing of a longer passage from Thucydides' History of the Peloponnesian War, II.43.3.

“Don't leave a stone unturned. It's always something, to know you have done the most you could.”

Song lyrics, Bringing It All Back Home (1965), It's All Over Now, Baby Blue