Who said "I have given all I have to give for this cause."?

This quote is attributed to John Brown.

I have given all I have to give for this cause. - John Brown

"I have given all I have to give for this cause."

John Brown Perseverance

Abolitionist, Militant American 1800–1859

"I John Brown am now quite certain that the crimes of this guilty land will never be purged away but with blood."

"Let us do our duty."

"The Bible is the word of God and is to be obeyed."

"I am here to lay down my life for the cause of justice."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."