From the former(Nature)of these he(All worthy)derived an agreeable person, a sound constitution, a solid understanding, and a benevolent heart
Testimonials are very closely connected to the transfer technique, in that an attempt is made to connect an agreeable person to another item.
a disagreeable person, mood, experience
It is impossible that you can covet the admiration of Heathcliff-that you consider him an agreeable person!