He had set himself to the single task of securing what he called his rights; and in these days of sunset he seems to have been illumined by some glimmer of the early glory of his first inspiration.

He wanted the payment of his dues now, not so much for his own enrichment, but as a sign to the world that his great position as Admiral and Viceroy was recognised, so that his dignities and estates might be established and consolidated in a form which he would be able to transmit to his remote posterity.
Since he wrote so copiously and so constantly in these last days, the best picture of his mood and condition is afforded in his letters to his son Diego; letters which, in spite of their infinitely wearisome recapitulation and querulous complaint, should be carefully read by those who wish to keep in touch with the Admiral to the end.
Letter written by CHRISTOPHER COLUMBUS to DON DIEGO, his Son, November 21, 1504.
"VERY DEAR SON,--I received your letter by the courier.

You did well in remaining yonder to remedy our affairs somewhat and to employ yourself now in our business.

Ever since I came to Castile, the Lord Bishop of Palencia has shown me favour and has desired that I should be honoured.

Now he must be entreated that it may please him to occupy himself in remedying my many grievances and in ordering that the agreement and letters of concession which their Highnesses gave me be fulfilled, and that I be indemnified for so many damages.