I hesitate to articulate for fear that I may deviate from the true course of rectitude 

I don't know. Literally. It means, I don't know.

Professor: Michael, what is the atomic weight of Uranium?
Michael: I hestiate to articulate for fear that I may deviate from the true course of rectitude.
Professor: What?
Michael: I don't know.

I hesitate to articulate for fear that I may deviate from the true course of rectitude by Moose September 23, 2003