“Everything changes and nothing stands still.”
As quoted by Plato in Cratylus, 402a
Variants and variant translations:
Everything flows and nothing stays.
Everything flows and nothing abides.
Everything gives way and nothing stays fixed.
Everything flows; nothing remains.
All is flux, nothing is stationary.
All is flux, nothing stays still.
All flows, nothing stays.
Πάντα ῥεῖ
Everything flows.
This statement occurs in Simplicius' Commentary on Aristotle's Physics, 1313.11; while some sources attribute to Simplicius the coining of the specific phrase "πάντα ῥεῖ (panta rhei)", meaning "everything flows/is in a state of flux", to characterize the concept in the philosophy of Heraclitus, the essential phrasing "everything changes" and variations on it, in contexts where Heraclitus's thought is being alluded to, was current in both Plato and Aristotle's writings.
Original
πάντα χωρεῖ καὶ οὐδὲν μένει
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Heraclitus 46
pre-Socratic Greek philosopher -535Related quotes

“Delete nothing. Move nothing. Change nothing. Learn everything.”

“Those who stand for nothing fall for everything.”
The earliest known occurance of a similar adage dates back to 1926, then apparently regarded as a common one of unknown origin. Its connection to Alexander Hamilton arose from confusion with its use in 1978 by a UK radio broadcaster also named Alex Hamilton.
Source: https://quoteinvestigator.com/2014/02/18/stand-fall/#return-note-8222-15 Per QI
“Nothing’s different, but everything has changed.”
“The Forever Trees”, p. 331
The Ivory and the Horn (1996)

“Not everything that is faced can be changed. But nothing can be changed until it is faced.”
"As Much Truth As One Can Bear" in The New York Times Book Review (14 January 1962); republished in The Cross of Redemption: Uncollected Writings (2011), edited by Randall Kenan<!-- , also quoted in Wisdom for the Soul : Five Millennia of Prescriptions for Spiritual Healing (2006) by Larry Chang, p. 114 -->
Context: Not everything that is faced can be changed. But nothing can be changed until it is faced. … Most of us are about as eager to change as we were to be born, and go through our changes in a similar state of shock.

“Not everything that is faced can be changed. But nothing can be changed until it is faced.”
Also appears in Jodi Picoult book Small Great Things
Source: In 1962 James Baldwin penned an essay titled “As Much Truth As One Can Bear” in “The New York Times Book Review”.
Context: We are the generation that must throw everything into the endeavor to remake America into what we say we want it to be. Without this endeavor, we will perish. ... Not everything that is faced can be changed; but nothing can be changed until it is faced.