That virtue had gone out of him (τὴν ἐξ αὐτοῦ δύναμιν ἐξελθοῦσαν)
More correctly as Rev., that the power proceeding from him had gone forth. The object of the Saviour's knowledge was thus complex: 1st, his power; 2d, that his power had gone forth. This and the following sentence are peculiar to Mark.