The late invasion of Virginia by Capt. John Brown and his company has, with all its concomitant circumstances, excited more attention and aroused a more thorough spirit of inquiry on the subject of slavery, than was ever before known. As this is pre-eminently a moral question, and as there is no neutral ground in morals, all intelligent men must ultimately take sides. Every such man must either cherish and defend slavery, or oppose and condemn it, and his vote, if he is an honest man, must accord with his belief. On a question of so momentous importance, "Silence is crime." It demands and will have.