'Marry' in the Bible

and asked him, "Teacher, Moses wrote for us that if a man's brother dies and leaves a wife but no child, the man should marry the widow and have children for his brother.

And Jesus answering said unto them, The children of this world marry, and are given in marriage:

But they which shall be accounted worthy to obtain that world, and the resurrection from the dead, neither marry, nor are given in marriage: