If the world were good for nothing else, it is a fine subject for speculation.

Summary

This quote implies that even if the world has no other value or purpose, it still serves as a worthwhile topic for intellectual discussion, contemplation, and examination. It suggests that speculation, or the act of critically analyzing and theorizing about the world, can be valuable in and of itself, regardless of the practical benefits or lack thereof. The quote highlights the importance of curiosity, philosophical thought, and engaging in imaginative exploration, even when the world might appear to lack inherent goodness or purpose.

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