Who said "Let my life be a testament to the power of conviction."?

This quote is attributed to John Brown.

Let my life be a testament to the power of conviction. - John Brown

"Let my life be a testament to the power of conviction."

John Brown Inspiration

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."

"The best part of living is knowing you survived."

"The world needs heroes."

"Life is too short to live poorly."

"I'd rather be an optimist and be wrong than a pessimist and be right"