Grace Hopper on Late Night with David Letterman (2 October 1986) https://www.youtube.com/watch?v=1-vcErOPofQ
Context: There's something you learn in your first boot-camp, or training camp: If they put you down somewhere with nothing to do, go to sleep — you don't know when you'll get any more.
Grace Hopper: Doing
Grace Hopper was American computer scientist and United States Navy officer. Explore interesting quotes on doing.
This saying appears to be due to John Augustus Shedd; it was quoted in "Grace Hopper : The Youthful Teacher of Us All" by Henry S. Tropp in Abacus Vol. 2, Issue 1 (Fall 1984) ISSN 0724-6722 . She did repeat this saying on multiple occasions, but she called it "a motto that has stuck with me" and did not claim coinage. Additional variations and citations may be found at Quote Investigator http://quoteinvestigator.com/2013/12/09/safe-harbor/
Misattributed
As quoted in the U.S. Navy's Chips Ahoy magazine (July 1986) http://web.archive.org/web/20090114165606/http://www.chips.navy.mil/archives/86_jul/interview.html
As quoted in Grace Hopper : Navy Admiral and Computer Pioneer (1989) by Charlene W. Billings, p. 74 ISBN 089490194X