This quote means to assert that the people must keep abreast of what is going on in government, otherwise our liberties will be lost to the actions of those in charge. We must react to an infringement upon our lilberty in accordance with it's severity, and let the governing body know we still retain the spirit of revolution and will protect our rights. His referance to the blood of patriots not only refers to sacrifice of life for liberty, but also the sacrifice of lesser things.