Laureano Albán(1)
Aristotle(1)
Marcus Aurelius(1)
Elia Barceló(1)
Gustavo Adolfo Bécquer(1)
Edward de Bono(1)
Tom Brosnahan(1)
Edward Bulwer Lytton, Baron Lytton(1)
Candace Camp(1)
Albert Camus(1)
Orson Scott Card(1)
Margaret Coel(1)
Collins(1)
contemplativomonje(1)
Luciano De Crescenzo(1)
Charles Dickens(1)
Arthur Conan Doyle(1)
Joanne Eglash(1)
Friedrich Engels(1)
Eratosthenes(1)
Euclid(1)
Fernando Fernán Gómez(1)
Viktor Frankl(1)
Benito Pérez-Galdós(1)
Segundo Galilea(1)
Juan Goytisolo(1)
Robert Greene(1)
Grijalbo(1)
R. Haggard(1)
Manly P. Hall(1)
J. L. Heilbron(1)
Heráclito(1)
Isabela Herranz(1)
Hermann Hesse(1)
John Hof(1)
Patrick Holford(1)
Anthony Hope(1)
Vicente Huidobro(1)
David Hume(1)
Aldous Huxley(1)
Juan Iturralde(1)
Henry James(1)
J.L. Stedman(1)
Judah(1)
Allan Kardec(1)
(1)
Omar Khayyám(1)
Stephen King(1)
Jayne Ann Krentz(1)
Vincencio Iván de Lastanosa(1)
Steven D. Levitt(1)
Concha Linares-Becerra(1)
Lucretius(1)
Bernard Malamud(1)
Emmanuil Manousos(2)
José Antonio Marina(1)
Lou Marinoff(1)
Gabriel García Márquez(1)
Anne Meurois-Givaudan(1)
Henry Miller(1)
Alberto Moravia(1)
Thomas More(1)
Alexander S. Murray(1)
Amado Nervo(1)
Katherine Neville(1)
George Orwell(1)
Giovanni Papini(1)
Michael E. Porter(1)
Arturo E. Powell(1)
Rafael Pérez Sierra(1)
Church Publishing(1)
Dave Ramsey(1)
Otto Reinert(1)
François Reynaert(1)
Pierre Rey(1)
Costa Rica(1)
José Rizal(1)
Leonardo Rodríguez Duplá(1)
Walter G. Rudd(1)
Miguel de Cervantes(1)
Saki(1)
Jesús Fernández Santos(1)
Arthur Schopenhauer(2)
Allan Scott(1)
Philippe Sellier(1)
Sidney Sheldon(1)
Charles L Sheridan(1)
William L. Shirer(1)
Henryk Sienkiewicz(1)
José Mª Castillo Sánchez(1)
John Steinbeck(2)
David Steindl-Rast(1)
Amy Tan(1)
George H. Tavard(1)
J. Eric S. Thompson(1)
Mark Twain(1)
Paul Twitchell(1)
Sun Tzu(1)
Unknown(1)
unknown author(1)
Richard D. Urman MD(1)
Silvia Heredia de Velazquez(1)
Eliyahu De Vida(1)
Varios Autores(1)
Brianna Wiest(1)
He(1)
Simeon bar Yochai(1)