And when he had spoken these things, while they beheld, he was taken up; and a cloud received him out of their sight.

After He had said this, they watched as He was taken up, and a cloud hid Him from their sight.

And while they looked stedfastly toward heaven as he went up, behold, two men stood by them in white apparel;

They were looking intently into the sky as He was going, when suddenly two men dressed in white stood beside them.