The theorizer reaches conclusions that are popular as a rule in his own generation, and receives the honor due to a progressive scientist; the observer usually has his announcements of what he has actually seen scouted by those who are engaged in the same studies, and it is only succeeding generations who appreciate how much he really accomplished.
"Catholic Churchmen in Science"
James J. Walsh
Let it not be thought that Ballou was a mere theorizer.
"History of American Socialisms"
John Humphrey Noyes
It must not be assumed that Paine was a mere theorizer.
"A Short History of English Liberalism"
Walter Lyon Blease