A poet is somebody who feels, and who expresses his feelings through words.
This may sound easy. It isn’t.
A lot of people think or believe or know they feel — but that’s thinking or believing or knowing; not feeling. And poetry is feeling — not knowing or believing or thinking.
Almost anybody can learn to think or believe or know, but not a single human being can be taught to feel. Why? Because whenever you think or you believe or you know, you’re a lot of other people: but the moment you feel, you’re nobody-but-yourself.
To be nobody-but-yourself — in a world which is doing its best, night and day, to make you everybody else — means to fight the hardest battle which any human being can fight; and never stop fighting.
E.E. Cummings, E. E. Cummings: A Miscellany Revised