Book,  Chapter

1        I,  VI  |          have been an undeniable proof that the earth was revolving
2        I,  VIII| precisely six hours each— a sure proof that the sun remained close
3        I,  X   |          deviated in the least—a proof that, although east and
4        I,  X   |       can, sir. I can give you a proof which I think you will own
5        I,  XII |      avidity was recognized as a proof that any land where they
6        I,  XIV |          Murphy slightly smiled.~Proof against all interruption,
7        I,  XV  |          Gibraltar was a virtual proof that England was beyond
8       II,  VIII|       But no philosophy could be proof against the common instincts