
“It is almost a definition of a gentleman to say he is one who never inflicts pain.”
Discourse VIII, pt. 10. http://books.google.com/books?id=YdrJkVPhptwC&q=%22it+is+Almost+a%22+%22a+gentle+man+to+say+he+is+one+who+never+inflicts+pain%22&pg=PA208#v=onepage
The Idea of a University (1873)