One machine can do the work of fifty ordinary men.  No machine can do the work of one extraordinary man.

To avoid criticism, do nothing, say nothing, and be nothing.

Elbert Hubbard (1856-1915) was an American writer, philosopher, and artist.  Much of his work became more recognized in the years following his death when both he and his wife perished with the sinking of the RMS Lusitania during World War I.