http://itself.wordpress.com/2013/06/05/william-lloyd-garrison-on-privilege-checking/
Money quote: "Those who do wrong ignorantly, do not willingly continue in it, when they find they are in the wrong. Ignorance is not an evidence of guilt certainly. It is only an evidence of a want of light. They who are only ignorant, will never rage, and rave, and threaten, and foam, when the light comes; but being interested and walking in the light, will always present a manly front, and be willing to be taught and be willing to be told they are in the wrong. "
Money quote: "Those who do wrong ignorantly, do not willingly continue in it, when they find they are in the wrong. Ignorance is not an evidence of guilt certainly. It is only an evidence of a want of light. They who are only ignorant, will never rage, and rave, and threaten, and foam, when the light comes; but being interested and walking in the light, will always present a manly front, and be willing to be taught and be willing to be told they are in the wrong. "