John Gill Reformed Baptist @doctorgill

Now Peter sat without in the palace,.... Peter's denial of his Lord, the account of which follows, is related among the sufferings of Christ; and indeed, the ill usage he met with from his enemies, their spitting in his face, buffeting him with their fists, smiting him on the cheeks with their hands, and rods, did not give him so much pain and grief, as...

Albert Barnes Presbyterian @notesbybarnes

Verse 68. Saying, Prophesy unto us, etc. Mark informs us, that before they said this they had blindfolded him. Having prevented his seeing, they ridiculed his pretensions of being the Messiah. If he was the Christ, they supposed he could tell who smote him.