Miracles have no claim whatever to the character of historical facts and are wholly invalid as evidence of any revelation.

The true virtue of human beings is fitness to live together as equals; claiming nothing for themselves but what they as freely concede to everyone else; regarding command of any kind as an exceptional neccessity, and in all cases a temporary one.

Men might as well be imprisoned, as excluded from the means of earning their bread.

The United States is no more a Christian nation because most of its citizens are Christians than it is a 'white' nation because most of its citizens are white. We are Americans because we practice democracy and believe in republican government, not because we practice revealed religion and believe in Bible-based government.

The amount of eccentricity in a society has generally been proportional to the amount of genius, mental vigor, and moral courage it contained. That so few now dare to be eccentric marks the chief danger of the time.

Let not any one pacify his conscience by the delusion that he can do no harm if he takes no part, and forms no opinion. Bad men need nothing more to compass their ends, than that good men should look on and do nothing.

The prevailing tendency to regard all the marked distinctions of human character as innate, and in the main indelible, and to ignore the irresistible proofs that by far the greater part of those differences, whether between individuals, races, or sexes are such as not only might but naturally would be produced by differences in circumstances, is one of the chief hinderances to the rational treatment of great social questions, and one of the greatest stumbling blocks to human improvement.