Just as you are unconsciously influenced by outside advertisement, announcement, and appeal, so you can vitally influence your life from within by auto-suggestion. The first thing each morning, and the last thing each night, suggest to yourself specific ideas that you wish to embody in your character and personality. Address such suggestions to yourself, silently or aloud, until they are deeply impressed upon your mind.

Inspiration and Ideals: Thoughts for Every Day (ed. 1917)