The cat, it is well to remember, remains the friend of man because it pleases him to do so and not because he must.

The cat, it is well to remember, remains the friend of man because it pleases him to do so and not because he must.

记住，猫仍然是人类的朋友，因为它喜欢这样做，而不是因为它必须这样做。

-- Carl Van Vechten 克滕