Reason requires culture to expand it. It resembles the fire concealed in the flint, which only shows itself when struck with the steel. Gordil.
Reason serves when pressed, but honest instinct comes a volunteer. Pope.
Reason should direct, and appetite obey. Cic.
Reason teaches us to be silent; the heart teaches us to speak. Jean Paul.
Reason's a staff for age when Nature's gone; / But youth is strong enough to walk alone. Dryden.
Reason's glimmering ray / Was lent, not to 5 assure our doubtful way, / But guide us upward to a better day. Dryden.
Reason's whole pleasure, all the joys of sense, / Lie in three words,—health, peace, and competence. Pope.
Reasonable, or sensible, people are always the best Conversation's Lexicon. Goethe.
Reasoning against a prejudice is like fighting against a shadow; it exhausts the reasoner, without visibly affecting the prejudice. Argument cannot do the work of instruction any more than blows can take the place of sunlight. Mildmay.
Reasoning banishes reason. Molière.