A message of simple truth, when sent from God, when published by divine authority, through divinely inspired men, penetrates the mind like a sharp two-edged sword, and cuts asunder the deeply-rooted prejudices.  –Orson Pratt

How does one know if the ministry of another is divinely called of God?

How do you know when a preacher or teacher is with or without proper authority?

Isn’t it reasonable to believe that in times of divisions among sects that God would raise up and sent one invested with authority?

In this enlightening eBook by Orson Pratt, a member of the Quorum of Twelve Apostles, Elder Pratt takes on these and other questions with logic and reasoning - what he calls “Proofs and Arguments”