The execution of the old man at Charlestown yesterday, was a plain admission on the part of Slavery that they dare not spare a brave man's life, and that kindness is impossible to a system based on wrong and upheld by violence. History will do justice to the institution of Slavery and its uncompromising foe alike, when both are gone. Slavery in all the abundance of its triumph and power is a failure; and old John Brown has succeeded in dragging down the pillars of Slavery in his fall, and his victory is complete! While millions of prayers went up for the old martyr yesterday, so millions of curses were uttered against the hellish system which so mercilessly and ferociously cried out for his blood. Highlight the two most important words in this headline.