– James Allen
– John Calvin
– Helen Keller
– Walt Whitman
– George Washington
– P Barnum
– Epictetus
– Albert Einstein
– Bryant McGill
– Brian Tracy
– Tami Cohen
– Bernard Iddings Bell
– Michelangelo Buonarroti
– Winston Churchill
– William Makepeace Thackeray
– John Milton
– Alan Marshall Beck
– Louis A. Berman
– Ralph Waldo Emerson
– Ralph Waldo Emerson, Society and Solitude: Works and Days, 1870
– Alexander Hamilton