For there is good news yet to hear and fine things to be seen,
More quotes by G. K. Chesterton
Impartiality is a pompous name for indifference, which is an elegant name for ignorance.
Briefly, you can only find truth with logic if you have already found truth without it.
Attribution
Quote text and notes from Wikiquote: G. K. Chesterton (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.