'Beginning' in the Bible

Beginning from the baptism of John, unto that same day that he was taken up from us, must one be ordained to be a witness with us of his resurrection.

But Peter rehearsed the matter from the beginning, and expounded it by order unto them, saying,

And as I began to speak, the Holy Ghost fell on them, as on us at the beginning.

Known unto God are all his works from the beginning of the world.

Which knew me from the beginning, if they would testify, that after the most straitest sect of our religion I lived a Pharisee.