
As quoted in: J.Muller, Physical Chemistry in Depth (Springer Science & Business Media, 1992), p. 1. No primary source is given in that book.
Disputed
As quoted in: J.Muller, Physical Chemistry in Depth (Springer Science & Business Media, 1992), p. 1. No primary source is given in that book.
Disputed
“It is impossible for you to go on as you were before, so you must go on as you never have.”
Source: Tiny Beautiful Things: Advice on Love and Life from Dear Sugar
First post-engagement interview (2010)
“Time is all you have and you may find one day that you have less than you think.”
The Last Lecture (2008)
"The Next Whole Earth Catalog", (1980), p 331. http://lists.webjunction.org/wjlists/publib/2001-February/035270.html (Derived from the Gilbert Shelton quote, "Dope will get you through times of no money better than money will get you through times of no dope."
“Study as if you were going to live forever; live as if you were going to die tomorrow.”
The Book of Positive Quotations By John Cook, Leslie Ann Gibson (2nd ed. 2007), p. 283.
Attributed