The easy part of being an artist is figuring out the message that everyone else is ready to hear. The hard part is waiting for the proper lull to make the announcement.
A powerful agent is the right word. Whenever we come upon one of those intensely right words in a book or newspaper the resulting effect is physical as well as spiritual, and electrically prompt.
Authorship is not a trade, it is an inspiration; authorship does not keep an office, its habitation is all out under the sky, and everywhere the winds are blowing and the sun is shining and the creatures of God are free.