I suppose I must admit it: I am a parasite of royalty.

During forty years I have had nine royal patrons.

Each one has hindered me; each one has helped.

I could not have survived in my vineyard at San Vittore: I need artists, sculptors, apprentices, courtiers, women, princes, jousting, masques, jewelry, perfume... I need great art. I need antique art. Libraries.

Last night, at Amboise, in the garden, at the pergola, I explained some of my observations of the moon. Courtiers crowded around. A duke was there. A prin­cess. There was an earnest exchange as I passed around lunar drawings, in the lamplight and torchlight.

“The details are as accurate as I could draw them...notice the craters, pits, the rills...you see, if you keep the moon under careful observation over a period of time, you’ll become aware of fixed landmarks. I made those drawings from the Coliseum...in Rome...”

Francesco has copied this. It was written in Florence, in 1508. I thought it rather interesting, so I have included it here:

For several days I have forgotten to hang my notebooks on my belt. I must see to it that I remember. Tomorrow I must write down exactly what I observed when I dissected the pigeon I found dead in front of the church.

Se sarai solo, sarai tutto tuo...