“If you think adventure is dangerous, try routine. It’s lethal”

“If you think adventure is dangerous, try routine. It’s lethal” is a saying that has been printed on many images. “If you think adventure is dangerous, try routine. It is lethal” was posted on Twitter by Brazilian lyricist and novelist Paulo Coelho on September 6, 2011.
     
“If you think adventure is dangerous, try routine - it’s lethal”—slightly different—was posted on Twitter by Paulo Coelho on November 14, 2011.
   
         
Wikipedia: Paulo Coelho
Paulo Coelho de Souza (/ˈkwɛl.juː, kuˈɛl-, -joʊ/; Portuguese: [ˈpawlu kuˈeʎu]; born 24 August 1947) is a Brazilian lyricist and novelist. He is best known for his novel The Alchemist. In 2014, he uploaded his personal papers online to create a virtual Paulo Coelho Foundation.
       
Twitter   
Paulo Coelho
@paulocoelho
If you think adventure is dangerous, try routine. It is lethal
5:14 PM - 6 Sep 2011
   
Facebook
Paulo Coelho
September 7, 2011 ·
If you think adventure is dangerous, try routine. It is lethal.
 
Twitter
Paulo Coelho
@paulocoelho
If you think adventure is dangerous, try routine - it’s lethal.
6:27 PM - 14 Nov 2011
 
Google Groups: venkatmails
Good Morning Friends
♥ Always keep Smiling and make others happy ♥
12/2/12
(...)
‘If you think adventure is dangerous; Try Routine ~ It is Lethal ~ Paulo Coelho
 
Google Books
Things Your Mother Never Told You
By Juhi Pande
Noida, Uttar Pradesh: Random House India
2014
Pg. ?:
‘If you think adventure is dangerous, try routine; it is lethal.’ I wish I had come up with this quote, bu then I’d have to change my name to Paulo Coelho.
         
Reader’s Digest
May 4, 2017
50+ Quirky Selfie Captions That Will Make Your Friends LOL
Charlotte Hilton Andersen
(...)
“If you think adventure is dangerous, try routine—it’s lethal. —Paulo Coelho”
 
Google Books
Title If You Think Adventure Is Dangerous Try Routine Its Lethal: Motivational Funny Journal | 120-Page College-Ruled Funny Notebook | 6 X 9 Perfect Bound Softcover
Funny Journals
Author Vanguard Stationery
Publisher CreateSpace Independent Publishing Platform, 2018
ISBN 172084092X, 9781720840923
Length 120 pages
   
YourTango
22 Motivational Quotes To Break You Out Of Your Comfort Zone
Kelcey Connors
January 12, 2018
(...)
6. If anything, adventure and the uncertain is good for you.
“If you think adventure is dangerous, try routine — it’s lethal.”
 
YourTango
25 Inspirational Quotes About Seizing The Day (Because You Only Have One Life To Live)
Isabella Ong
February 19, 2019
(...)
1. Routine can be dangerous.
“If you think adventure is dangerous, try routine. It’s lethal.” — Unknown