Carl Sandburg (1878–1967) American writer and editor
Variant: Time is the most valuable coin in your life. You and you alone will determine how that coin will be spent. Be careful that you do not let other people spend it for you.
Declaration at his 85th birthday party (6 January 1963), as quoted in The Best of Ralph McGill : Selected Columns (1980) by Ralph McGill, edited by Michael Strickland, Harry Davis, and Jeff Strickland, p. 82
Time is the coin of your life. It is the only coin you have, and only you can determine how it will be spent. Be careful lest you let other people spend it for you.
As quoted without source in The School Musician Director and Teacher Vol. 43 (1971) by the American School Band Directors' Association
Carl Sandburg (1878–1967) American writer and editor
Variant: Time is the most valuable coin in your life. You and you alone will determine how that coin will be spent. Be careful that you do not let other people spend it for you.
“The trouble is if you don’t spend your life yourself, other people spend it for you.”
Peter Shaffer (1926–2016) English playwright and screenwriter
Source: Five Finger Exercise
Ward Cunningham (1949) American computer programmer who developed the first wiki
A Conversation with Ward Cunningham (2003), To Plan or Not To Plan
Context: To worry about tomorrow is to detract from your work today. Time you spend thinking about tomorrow is time you're not spending thinking about what to do today. The place you leave in the code because you think you'll need it tomorrow, is actually a waste of time today — and a liability tomorrow. It does more harm than good.
“Do not spend your life committing sinful deeds;
It is good for you to practice holy Dharma.”
Milarepa (1052–1135) Tibetan yogi
Source: Ref: en.wikiquote.org - Milarepa / Quotes / The Hundred Thousand Songs of Milarepa: The Life-Story and Teaching of the Greatest Poet-Saint Ever to Appear in the History of Buddhism / Song to the Hunter
Steve Jobs (1955–2011) American entrepreneur and co-founder of Apple Inc.
A comment he made in persuading John Sculley to become Apple's CEO, as quoted in Odyssey: Pepsi to Apple: A Journey of Adventure, Ideas, and the Future (1987) by John Sculley and John A. Byrne
1980s
“You spend your life getting walked on, you learn to recognize the tread.”
Nora Roberts (1950) American romance writer
Mark Haddon book The Curious Incident of the Dog in the Night-Time
Source: The Curious Incident of the Dog in the Night-Time