"On matters of freedom and equality, history has not remembered obstructionists kindly,” he said. “Not on abolition. Not on women’s suffrage. Not on workers’ rights. Not on civil rights. And it will be no different on marriage rights."

http://www.nytimes.com/2011/05/27/nyregion/mayor-bloomberg-states-case-for-same-sex-marriage.html?_r=1&nl=nyregion&emc=ura1