...essential part of our movement. He dwelt upon them until I became impatient, and, forgetting for the moment my wonted deference, I broke out with not a little warmth of expression and manner: Dr. Channing , I said, I am tired of these complaints. The cause of suffering humanity, the cause of our oppressed, crushed colored countrymen, has called as loudly upon others as upon us Abolitionists. It wa...