La plupart du temps, il pouvait fournir la réponse de mémoire, mais il revenait toujours plus tard, tranquillement, discrètement, avec de l'information et des sources additionnelles d'une pertinence exceptionnelle.
Indeed, most often he would know the answers right off the top of his head, but he would always follow up later, quietly, discreetly, with additional information and sources that went to the heart of the issue.