There is something eccentric in the orbit of Mars.

So mathematical truth prefers simple words since the language of truth is itself simple.

An astronomer must be cosmopolitan, because ignorant statesmen cannot be expected to value their services

From his observations, he concluded that it [Tycho's supernova] was not some kind of comet or a fiery meteor, whether these be generated beneath the Moon or above the Moon, but that it is a star shining in the firmament itself - one that has never previously been seen before our time, in any age since the beginning of the world.

That the machine of Heaven is not a hard and impervious body full of various real spheres, as up to now has been believed by most people. It will be proved that it extends everywhere, most fluid and simple, and nowhere presents obstacles as was formerly held, the circuits of the Planets being wholly free and without the labour and whirling round of any real spheres at all, being divinely governed under a given law.

May I not seem to have lived in vain.

The mouse is wise, but the cat is wiser.