John Ruskin (1819-1900), British poet, artist, · Oscar Wilde, The Critic as Artist, 1891
– Ralph Waldo Emerson
– John Fitzgerald Kennedy
– Leo Buscaglia
– Pablo Picasso
– Nero Claudius Caesar
– George Moore
– Henry M. Wriston
– Abraham Maslow
– Eric Pio
– Radiquet
– Jane Austen, Letter to Cassandra, 25 November 1798
– Charles Horton Cooley
– Ayn Rand, From the article "Art and Sense of Life" in The Romantic Manifesto
– George Santayana
– Charles Bukowski
– Saul Bellow
– Kahlil Gibran
– Andre Gide
– Andr Gide
– Leo Tolstoy
– Henry Ward Beecher
– Romare Beardon
– don Miguel Ruiz
– Franklin Delano Roosevelt