He that has doctrinal knowledge and speculation only, without affection, never is engaged in the business of religion. - Jonathan Edwards
Scripture is our norming norm and tradition is our normed norm and that in a doctrinal controversy Scripture alone has absolute veto power while The Great Tradition (orthodox doctrine) has a vote but not a veto. - Roger E. Olson
We live in a day of abounding vagueness and indistinctness on doctrinal subjects in religion. Now, if ever, it is the duty of all advocates of clear, well-defined, sharply-cut theology, to supply proof that their views are thoroughly borne out by Scripture. - J.C. Ryle
No man is exempted from the subtle deception of doctrinal drift – the man of God expects this temptation. - Gary Rohrmayer