This is from Masson’s book “Saint Hélène, Les missionnaires” freely available in French at gallica.bnf.fr
[Is studying Napoleon on Saint Helena time] Lost? - No.
Studying the drama of Saint Helena is not wasting time. Researching and comparing sources, surprise one in their relationships with the Emperor - the stooges who surround him, all play their part, they reveal their character and paint their physiognomy, proceed with their self reflecting accounts as tightly as possible and lead to an analysis which alone, after having been followed to the end, will provide elements of synthesis, it is a work which fascinates all the more since it is so delicate and difficult.
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Ceci est tiré du livre de Masson "Sainte Hélène, Les missionnaires" disponible gratuitement en français sur gallica.bnf.fr