'Old' in the Bible

"And it shall come to pass in the last days, God says, that I will pour out My Spirit upon all mankind; and your sons and your daughters shall prophesy, and your young men shall see visions, and your old men shall have dreams;

"And when he was just forty years old, it occurred to him to visit his brethren the descendants of Israel.

For they all know me of old--if they would but testify to the fact--how, being an adherent of the strictest sect of our religion, my life was that of a Pharisee.