'Beginning' in the Bible

on the authority of those who were from the beginning eye-witnesses and were devoted to the service of the divine Message,

But when all this is beginning to take place, grieve no longer. Lift up your heads, because your deliverance is drawing near."

And, beginning with Moses and all the Prophets, He explained to them the passages in Scripture which refer to Himself.

and that proclamation would be made, in His name, of repentance and forgiveness of sins to all the nations, beginning in Jerusalem.