The good of a book lies in its being read.

For what I saw at the abbey then (and will now recount) caused me to think that often inquisitors create heretics. And not only in the sense that they imagine heretics where these do not exist, but also that inquisitors repress the heretical putrefaction so vehemently that many are driven to share in it, in their hatred for the judges. Truly, a circle conceived by the Devil. God preserve us.

Your masters at Oxford have taught you to idolize reason, drying up the prophetic capacities of your heart!

There are four types: the cretin, the imbecile, the stupid and the mad. Normality is a balanced mixture of all four.

Captain Cook discovered Australia looking for the Terra Incognita. Christopher Columbus thought he was finding India but discovered America. History is full of events that happened because of an imaginary tale.

For, I must tell you, in this world where today all lose their minds over many & wondrous Machines - some of which, alas, you can see also in this Siege - I construct Aristotelian Machines, that allow anyone to see with Words.

True learning must not be content with ideas, which are, in fact, signs, but must discover things in their individual truth.