"If all mankind, minus one, were of one opinion, mankind would no more justified in silencing that one person than he, if he had the power, would be justified in silencing mankind."—J. S. Mill, On Liberty.
"Here's freedom to him that would read, Here's freedom to him that would write; Thert's nane ever feared that the truth should be heard, But they whom the truth would indite."—Burns.
"He who will not reason is a bigot; he who cannot is a a fool; and he who dares not is a slave."—Philosopher.
PER CONTRA: "Do not try to reason or you are lost."—Moody, the Evangelist.
"Hew to the line, let the chips fall where they may."
"Fear first made Gods in the world."—Lucretius
"Theology I define to be the art of teaching what nobody knows."—Lord Brougham
"It matters not to me whether my neighbors believe in one God or twenty"—Jefferson
"The natural world is infinite and eternal. The universe was not called into being from non-entity."—Plato
"To assert that Christianity communicated to man moral truths previously unknown, argues, on the part of the assertor, either gross ignorance or else wilful fraud."—Buckle
"Nature is seen to do all things of herself without the meddling of the Gods."—Lucretius
"Is there no 'inspiration,' then, but an ancient Jewish, Greekish, Roman one, with big revenues, loud liturgies, and red stockings?"—Thos. Carlyle
"Inanity well tailored and upholstered, mild-spoken Ambiguity, decorous Hypocrisy, which is astonished you should, think it hypocritical, taking their room and drawing their wages: from zenith to nadir you have Cant, Cant—a universe of incredibilities which are not even credited, which each man at best only tries to persuade himself that he credits."—Thomas Carlyle
"The highest possible welfare of all present mankind is my religion; the perfectibility of the future of our race here upon this planet is my faith; and I would the time had come, as it yet will come, that this faith were the religion of all mankind."—Lord Queensbury (who was recently excluded from the English House of Lords because of his unorthodox opinions.)