Life is not the unique property of Earth. Nor is life in the shape of human beings. Life takes many forms on other planets and far stars, forms that would seem bizarre to humans, as human life is bizarre to other life-forms.
Nor stony tower, nor walls of beaten brass,
Nor airless dungeon, nor strong links of iron,
Can be retentive to the strength of spirit;
But life, being weary of these worldly bars,
Never lacks power to dismiss itself.
UNDERSTANDING, n. A cerebral secretion that enables one having it to know a house from a horse by the roof on the house. Its nature and laws have been exhaustively expounded by Locke, who rode a house, and Kant, who lived in a horse.