Determine the valence intensity of the following tweet, considering the mental state of the author. Assign a real number between 0 and 1, where 0 denotes extremely negative and 1 denotes extremely positive.
Tweet: peplamb: stevenfurtick #comfort all who #mourn, To console those who #mourn in #Zion, To give them #beauty for #ashes, The #oil of #joy for…