I wonder how harmless such people are? To what extent civilization is retarded by the laughing jack-asses, the empty-minded belittlers? […]

[…] The mossy sward / Beneath their feet, their carpet was, / An azure ceil, the sky above; […]

Aunt Em had just come out of the house to water the cabbages when she looked up and saw Dorothy running toward her.

When we reason about an arbitrary bird, we may conclude that it flies, but we do not alter our concept of birdness to include flight in order to make that conclusion, as the above account implies.