But at a given moment, without being able to distinguish any clear outline, or to give a name to what was pleasing him, suddenly enraptured, he had tried to collect, to treasure in his memory the phrase or harmony—he knew not which—that had just been played, and had opened and expanded his soul, just as the fragrance of certain roses, wafted upon the moist air of evening, has the power of dilating our nostrils.