Gomes Eannes de Zurara, The Chronicle of the Discovery and Conquest of Guinea…
“ How are we, men said, to pass the bounds that our fathers set up, or what profit can result to the Infant from the perdition of our souls as well as of our bodies—for of a truth by daring any further we shall become wilful murderers of ourselves? Have there not been in Spain other princes and lords as covetous perchance of this honour as the Infant? For certainly it cannot be presumed that among so many noble men who did such great and lofty deeds for the glory of their memory, there had not been one to dare this deed. ”
