“The quickest way to become an interesting person is to show interest in others.”

“When the artist is alive in any person, whatever his kind of work may be, he becomes an inventive, searching, daring, self-expressive creature. He becomes interesting to other people. He disturbs, upsets, enlightens, and opens ways for better understanding. Where those who are not artists are trying to close the book, he opens it and shows there are still more pages possible.”

“An interested person is an interesting person.”

“You can make more friends in two months by becoming interested in other people than you can in two years by trying to get other people interested in you.”

“It is terrible to destroy a person's picture of himself in the interests of truth or some other abstraction.”

“You can close more business in two months by becoming interested in other people than you can in two years by trying to get people interested in you.”