'Lo' in the Bible

for behold, we were binding sheaves in the field, and lo, my sheaf rose up and also stood erect; and behold, your sheaves gathered around and bowed down to my sheaf.”

Now he had still another dream, and related it to his brothers, and said, “Lo, I have had still another dream; and behold, the sun and the moon and eleven stars were bowing down to me.”

And lo, from the Nile there came up seven cows, sleek and fat; and they grazed in the marsh grass.

Lo, seven other cows came up after them, poor and very ugly and gaunt, such as I had never seen for ugliness in all the land of Egypt;

and lo, seven ears, withered, thin, and scorched by the east wind, sprouted up after them;