It is dangerous to believe hastily that anything is either possible or impossible, for there are few scientific assertions which have been proved to universal satisfaction. Our firmest scientific beliefs of today may be shattered tomorrow.


The Papers of Robert H. Goddard (Volume 1), On Taking Things for Granted (p. 65)

Robert H. Goddard Quotes

It is dangerous to believe hastily that anything is either possible or impossible, for there are few scientific assertions which have been proved to...

It is dangerous to believe hastily that anything is either possible or impossible, for there are few scientific assertions which have been proved to...

It is dangerous to believe hastily that anything is either possible or impossible, for there are few scientific assertions which have been proved to...

It is dangerous to believe hastily that anything is either possible or impossible, for there are few scientific assertions which have been proved to...