This popular quote seems to be a paraphrase of an exchange in The Last Continent:
Is it true that your life passes before your eyes before you die?'
YES.
'Ghastly thought, really.' Rincewind shuddered. 'Oh, gods, I've just had another one. Suppose I am just about to die and this is my whole life passing in front of my eyes?'
I THINK PERHAPS YOU DO NOT UNDERSTAND. PEOPLE'S WHOLE LIVES DO PASS IN FRONT OF THEIR EYES BEFORE THEY DIE. THE PROCESS IS CALLED 'LIVING'.
Misc
“It is said that your life flashes before your eyes before you die. That is true, it's called Life.”
General sources
Variant: It is often said that before you die your life passes before your eyes. This is in fact true. It's called living.
Source: The Last Continent
“People's whole lives do pass in front of their eye before dying. The process is called "Living”
“One day your life will flash before your eyes. Make sure it's worth watching.”
“I bet the worst part about dying is the part where your whole life passes before you.”
Contributions of Jane Wagner, The Search for Signs of Intelligent Life in the Universe (1985)
“I bet the worst part about dying is the part where your whole life passes before you.”
The Search for Signs of Intelligent Life in the Universe (1985)
“What you keep before your eyes will affect you.”
Source: Your Best Life Now: 7 Steps to Living at Your Full Potential
“Don’t let life pass you by before you realise that it was worth living.”
Borneo Bulletin, 2 October 2009
“Take care to sell your horse before he dies.
The art of life is passing losses on.”
"The Ingenuities of Debt
1940s
