Memory card — print it, then learn it by heart. The paper doesn't need charging.
The Eagle
Alfred, Lord Tennyson · 1851
1He clasps the crag with crooked hands;
2Close to the sun in lonely lands,
3Ring'd with the azure world, he stands.
4The wrinkled sea beneath him crawls;
5He watches from his mountain walls,
6And like a thunderbolt he falls.