It was an order for the immediate sailing of the Bronx, the sealed orders to be opened when she reached latitude 38 deg.

N.The messenger spoke some pleasant words, and then took his leave.

Christy returned to the cabin, and showed the ponderous envelope to his father.
"Sealed orders, as I supposed you would have," said Captain Passford.
"And this is my order to sail immediately on receipt of it," added Christy.
"Then I must leave you, my son; and may the blessing of God go with you wherever your duty calls you!" exclaimed the father, not a little shaken by his paternal feelings.

"Be brave, be watchful; but be prudent under all circumstances.

Bravery and Prudence ought to be twin sisters, and I hope you will always have one of them on each side of you.