Not who you're looking for? Others named Richard Hildreth: American journalist (1807–1865)
“Unfortunately, there have been, and are, in the world, very few governments in which the right of passive or unarmed resistance is acknowledged. By most governments, such resistance is considered and treated as no better than open rebellion, which thus becomes the sole resource of oppressed subjects.”
Quotes via Wikiquote (CC BY-SA), each with its original source.