21. It is mentioned by Voltaire in his " Essai sur la po�sie �pique ". 22. Among other works he wrote " Essai sur l'horlogerie " in 1763. 23. The last to win the Poule d'Essai des Pouliches was Valentine Waltz in 1999. 24. It was designed to serve as a trial for the Poule d'Essai des Pouliches. 25. His wins included the Grand Criterium, Poule d'Essai des Poulains and Eclipse Stakes. 26. In 2006 he published " Ha�ti : L Avenir en Face, Un essai ?success. 27. When Essai was 21 he left the band and signed a solo contract with Mercury Universal. 28. Following the opening of the Art et essai " by Fadila Chambelland, the former manager. 29. He wrote in " Essai sur les fondements de nos connaissances " ( 1851 ): 30. Another son, 1, 000 Guineas, plus the French Poule d'Essai des Pouliches.