Our success at any job, individually or collectively, is largely a matter of energy. First, there's physical energy. How many miles can we drive? How many days a week we can work? And how many nights can we stay awake without collapsing?
"A Matter of Energy,"
HSUS News 1975-6: Vol. 21
, Article 18.
Available at: https://www.wellbeingintlstudiesrepository.org/newshs/vol21/iss3/18