Dava Sobel Quotes

The zero-degree parallel of latitude is fixed by the laws of nature, while the zero-degree meridian of longitude shifts like the sands of time.

One degree of longitude equals four minutes of time the world over, but in terms of distance, one degree shrinks from sixty-eight miles at the Equator to virtually nothing at the poles.

But I do not think it necessary to believe that the same God who gave us our senses, our speech, our intellect, would have put aside the use of these, to teach us instead such things as with their help we could find out for ourselves, particularly in the case of these sciences of which there is not the smallest mention in the Scriptures; and, above all, in astronomy, of which so little notice is taken that the names of none of the planets are mentioned. Surely if the intention of the sacred scribes had been to teach the people astronomy, they would not have passed over the subject so completely.

with its graceful language and poetic conceit, and even more because it expressed his own philosophy of science. To wit: As earnestly as men may seek to understand the workings of the universe, they must remember that God is not hampered by their limited logic - that all observed effects may have been wrought by Him in any one of an infinite number of omnipotent ways, and these must ever evade mortal comprehension.

[John] Harrison [could not] express himself clearly in writing ... No matter how brilliantly ideas formed in his mind, or crystallized in his clockworks, his verbal descriptions failed to shine with the same light ... The first sentence [of his last published work] runs on, virtually unpunctuated, for twenty-five pages. Dava Sobel, Longitude, p66

In the wake of the Longitude Act, the concept of "discovering the longitude" became a synonym for attempting the impossible.