“The job of the university is giving students a clear, solid, organic knowledge of Catholic doctrine based on Holy Scripture. They are places where churches must mobilize resources,”
Avery Dulles
“Christian Fundamentalism: The doctrine that there is an absolutely powerful, infinitely knowledgeable, universe spanning entity that is deeply and personally concerned about my sex life”
Andrew Lias
“Christian Liberalism: The doctrine that there may be an absolutely powerful, infinitely knowledgeable, universe spanning entity that is deeply and personally concerned about baby seals but doesn't give a damn about my sex life”
“Whom shall he teach knowledge? and whom shall he make to understand doctrine? them that are weaned from the milk, and drawn from the breasts.”
Bible
“My doctrine is not a doctrine but just a vision. I have not given you any set rules, I have not given you a system.”
Buddha
“The doctrine of equality! There exists no more poisonous poison: for it seems to be preached by justice itself, while it is the end of justice.”
Friedrich Nietzsche
“Belief is the death of intelligence. As soon as one believes a doctrine of any sort, or assumes certitude, one stops thinking about that aspect of existence.”
Robert Anton Wilson