It is difficult to say [...] what is impossible, for the dream of yesterday is the hope of today and the reality of tomorrow.
Robert Hutchings GoddardAmerican physicist 5 October 1882 — 10 August 1945 |
The Papers of Robert H. GoddardPage 11 |
Details:Time of publication: September 22, 2011 Length: 125 characters Favorited by: 1 member |