A civil guest
Will no more talk all, than eat all, the feast.

George Herbert (1593–1633) Welsh priest, orator, poet.

Poem (1614), “The Church-Porch,” ll. 305-306, The Temple (1633)
    (Source)

Benjamin Franklin quotes this poem (and, for a change, provides the attribution) in Poor Richard Improved (1748 ed.):

Herbert, the poet, says,
 
—— a well bred guest,
Will no more talk all than eat all the feast.