Sky-bound was the mind, Earth-bound the body rests - Johannes Kepler

Either... the moving intelligences of the planets are weakest in those that are farthest from the sun, or... there is one moving intelligence in the sun, the common center, forcing them all round, but those most violently which are nearest, and that it languishes in some sort and grows weaker at the most distant, because of the remoteness and the attenuation of the virtue.

When the storm rages and the shipwreck of the state threatens, we can do nothing more worthy than to sink the anchor of our peaceful studies into the ground of eternity.

Advertencia para idiotas. Pero a todo aquel que sea demasiado estúpido para comprender la ciencia astronómica, o demasiado pusilánime para creer a Copérnico sin que afecte a su fe, le aconsejaría que, una vez renunciado a los estudios astronómicos, y tras haber condenado todos aquellos estudios filosóficos que le plazca, se preocupe de sus asuntos y se vaya a su casa a escarbar su terruño