– Marcus Aurelius Antoninus
– Albert Einstein
– Thomas Leonard
– Martin Luther King, Jr.
– Edward Bulwer-Lytton
– Amit Ray
– Robert Louis Stevenson
– Gary Zukav
– Dalai Lama, The Times (1999)
– Plato
– William Bridges
– Vikram Mahant
– Benito Mussolini, The Political and Social Doctrine of Fascism, 1935
– Richard M. DeVos
– Richard M. Devos
– Marcus Aelius Aurelius
– Jennifer Jones
– Freeman John Dyson
– Henry David Thoreau
– Dietrich Bonhoeffer
– Johnson
– Herbert Spencer