“Today is the first day of the rest of your life”

Entry in progress—BP
 
Wikiquote: Today
Quotes
Today is the first day of the rest of your life.
. Attributed to Charles Dederich by The Washington Post (December 10, 1978), p. C5. He was the founder of Synanon, a self-help community for drug abusers and alcoholics, based in California.
     
The Digger Archives
The Digger Papers (August 1968)
(...)
TODAY IS THE FIRST DAY OF THE REST OF YOUR LIFE.
 
Independent Voices
3 December 1968, The Spectator (Indiana University), pg. 19, col. 4:
“Today is the first day of the rest of your life!”
 
Google Books
The Function of Folklore in the Hippie Community
By Deborah Goleman Wolf
Thesis (M.A. in Folklore)—University of California,
Dec. 1969
Pg. 107:
“Today is the First Day of the Res of Your Life”.