And science now asserts that he inherits his parents' Aptitudes: therefore, to train him secundum naturam, I must discover these Aptitudes and educate or check them.
"The Blue Pavilions"
Sir Arthur Thomas Quiller-Couch
I have, therefore, but one thing which I have not already often said to offer to such men, who affect these great issues through their own Aptitudes and through their far-reaching influence upon public opinion, which they touch through many channels.
"Lessons of the war with Spain and other articles"
Alfred T. Mahan
It is thus with us that nations are formed whose differences no longer correspond to geographical accidents but to the diversity of the social Aptitudes of human nature and of nothing else.
"Underground Man"
Gabriel Tarde