His directions were very simple and few, and there was a little desk locked up in a cabinet that nobody thought about, and that the one person who could have opened it supposed to concern exclusively himself.

So when he came, six months after, and looked about him with regretful affection; when he had put the old man's portrait up in a place of honour, and looked to the paying of all the debts, for everything, even to the furniture, was now his own; when he had read the will, and sealed up all such papers as he thought his half-brother Valentine might afterwards want to refer to--he betook himself to his own particular domain, his long room in the top of the house.

There, locking himself in, he opened his cabinet, and taking out the little desk, sat down to look for and read this letter.
The desk was soon opened.

He lifted one half, saw several old miniatures which had belonged to his own father's family, a lock of his father's hair which he remembered to have seen in his mother's possession, and one or two trinkets.

No letter.
It was not without some slight trepidation that he opened the other side, and there, nothing else being with it, a large letter sealed with black and directed to himself in his step-father's well-known hand, it was lying.
As he took the letter up, a sensation so faint, so ethereal that it is hard to describe or characterize it, but which most of us have felt at least once, came over him, or rather came about him, as if something from without suggested a presence.
He was free from any sensation of fear, but he chose to speak; lifting up his face as if the old man had been standing before him, he said aloud, "Yes, I promised." The feeling was gone as he spoke, and he broke the seal.
A long letter.