A poet is, before anything else, a person who is passionately in love with language. W. H. Auden
Science is for those who learn; poetry, for those who know. Joseph Roux
Poetry is language at its most distilled and most powerful. Rita Dove
Genuine poetry can communicate before it is understood. T. S. Eliot
It is the job of poetry to clean up our word-clogged reality by creating silences around things. ~Stephen Mallarme
And my personal favourite....
Perhaps no person can be a poet, or can even enjoy poetry, without a certain unsoundness of mind. ~Thomas Babington Macaulay