He who will not reason, is a bigot; he who cannot is a fool; and he who dares not is a slave.
~ William Drummond of Hawthornden, in Academic Questions
To generalize is to be an idiot.
~ William Blake
Reason is the mistress and queen of all things.
~ Cicero, Tusculanarum Disputationum, 2.21
We may take Fancy for a companion, but must follow Reason as our guide.
~ Samuel Johnson, Letter to Boswell
The first to present his case seems right, till another comes forward and questions him.
~ Proverbs 18:17 (NIV)
All the tools with which mankind works upon its fate are dull, but the sharpest among them is reason.
~ Carl Van Doren, in Many Minds
Women are unreasonable; ask any man.