The vision of the evenings and the mornings that has been told is true, but seal up the vision, for it refers to many days from now.”
The angel again confirms the assertion that no part of this vision was shewn to the Prophet in vain, because not even the slightest portion of it should fail of its effect. The necessity of this method of confirming our faith is notorious, because, although the events may be well known to us, yet we cannot acquiesce in God’s word, unless he should testify so...
Here we have, I. Daniel's earnest desire to have this vision explained to him (Dan 8:15): I sought the meaning. Note, Those that rightly know the things of God cannot but desire to know more and more of them, and to be led further into the mystery of them; and those that would find the meaning of what they have seen or heard from God...
Commenting on Daniel 8:15-27
And the vision of the evening and the morning which was told is true,.... That is, of the 2300 evenings and mornings, or natural days; unto which time the daily sacrifice was to cease, and the sanctuary and host trodden under foot; and then the sanctuary would be cleansed.