I can't think of a case where poems changed the world, but what they do is they change people's understanding of what's going on in the world.
Seamus HeaneyNot to Learn Irish is to miss the opportunity of understanding what life in this country has meant and could mean in a better future. It is to cut oneself off from ways of being at home. If we regard self-understanding, mutual understanding, imaginative enhancement, cultural diversity and a tolerant political atmosphereas a desirable attainments, we should remember that a knowledge of the Irish language is an essential element in their realisation.
Seamus HeaneyIn off the moors, down through the mist beams, god-cursed Grendel came greedily loping.
Seamus Heaney