What gunpowder did for war the printing press has done for the mind.

The heart is the best logician.

Write on my gravestone: 'Infidel, Traitor.', infidel to every church that compromises with wrong; traitor to every government that oppresses the people.

Revolutions never go backwards.

Never forgive at the ballot box!

Republics exist only on the tenure of being constantly agitated.... There is no republican road to safety but in constant distrust.

Will the slave fight? If any man asks you, tell him No. But if anyone asks you will a Negro fight, tell him Yes!