They theorise very plausibly at large, but they betray their incapacity so soon as they proceed to scan a difficult line.
You must acquire all the facts, before you can be qualified to theorise.
Now, to theorise about men is seldom very satisfactory; but to theorise about women is to weigh gossamer and measure moonbeams.
I must sprawl and flounder, comment and theorise, if I am to get the thing out I have in mind.
Each had a worship of prehistoric antiquity, and it is vain to theorise on their original relation to each other.
I do not theorise upon it; I accurately state it, and there leave it.
But it is unlikely that he attempted to theorise further on the nature of the power.
Let them remember this, and learn not to theorise but to act.
But personally I have never found it among those who make religion as distinguished from those who theorise upon it.
Value and importance of this process — stimulating active individual minds to theorise each for itself.