Jamieson, Fausset and Brown on Nehemiah 8:9-10

Ne 8:9-15. The People Comforted.

9-10. This day is holy unto the Lord ... mourn not, nor weep--A deep sense of their national sins, impressively brought to their remembrance by the reading of the law and its denunciations, affected the hearts of the people with penitential sorrow. But notwithstanding the painful remembrances of their national sins which the reading of the law awakened, the people were exhorted to cherish the feelings of joy and thankfulness associated with a sacred festival (see on Le 23:24). By sending portions of it to their poorer brethren (De 16:11, 14; Es 9:19), they would also enable them to participate in the public rejoicings.