In fact, he is no longer a man.

If he were to define a man, he would say with Shakespeare, "Man is a being holding large discourse, Looking before and after." But a slave was incapable of looking before and after.

He had no motive to do it.

He was a mere passive instrument in the hands of others, to be used at their discretion.

Though living, he was dead as to all voluntary agency.
Though moving amidst the creation with an erect form, and with the shape and semblance of a human being, he was a nullity as a man.
Mr.Pitt thanked his honourable friend Mr.Wilberforce for having at length introduced this great and important subject to the consideration of the house.