Robert H. Goddard quotes

It is difficult to say what is impossible, for the dream of yesterday is the hope of today and the reality of tomorrow. (Robert H. Goddard)
It is not a simple matter to differentiate unsuccessful from successful experiments Most work that is finally successful is the result of a series of unsuccessful tests in which difficulties are gradually eliminated. View quote
Robert H. Goddard
Every vision is a joke until the first man accomplishes it; once realized, it becomes commonplace. View quote
Robert H. Goddard