Sam knows it.

I'm best off here." "But suppose I died, when I was so sick, what then ?" Hugh asked, and Sam replied: "I thinks that all over on dem days mas'r so rarin'.

I prays many times that God would spar' young mas'r, and He hears ole Sam.

He gives us back our mas'r." There were tears in Hugh's eyes, but he again urged upon him his freedom, offering to give him either to Adah or Alice, just which he preferred.
"I likes 'em both," Sam said, "but I likes Mas'r Hugh de best, 'case, scuse me, mas'r, he ain't in de way, I feared, and Sam hope to help him find it.

Sam long's to Mas'r Hugh till dat day comes he sees ahead, when he pays off de debt." With another blessing on Mas'r Hugh Sam left the room.
"What can he mean about a coming day when he can pay his debt ?" Hugh asked, but Alice could not enlighten him.
Adah, however, after hesitating a moment, replied: "During your illness you have lost the newspaper gossip to the effect that if Lincoln is elected to the presidential chair, civil war is sure to be the result.