Charles Ellicott Commentary Mark 6:25

"And she came in straightway with haste unto the king, and asked, saying, I will that thou forthwith give me on a platter the head of John the Baptist." — Mark 6:25 (ASV)

By and by.—We hardly recognize in this word—so much has its meaning altered—St. Mark’s familiar "forthwith" or "immediately." At the period when our version was made it was, however (as we find in Shakespeare), in common use as an equivalent .