Having indeed seen so many things and considered so much, I have finally begun to understand how many are these desires with which the human species … - Petrarch

I cannot have a sufficiency of books. Indeed, I have more than I should... Books give utter delight: they talk with us... and are bound to us by lively and witty intimacy, and do not just insinuate themselves alone on their readers but present the names of others, and each one creates a longing for another.

Y tiene a sus pies, interpuestos, muchos montes que hay que subir pasando gradualmente de virtud en virtud. En la cima está el final de todo y la meta final de nuestro peregrinar. Alcanzarla es lo que quieren todos pero, como dice Ovidio:
Y es que querer no es suficiente; para conseguir una cosa hay que desearla ardientemente.
En tu caso, desde luego, a menos que en ello te engañes, como en tantas cosas, no sólo quieres, sino que deseas. ¿Qué te retiene entonces?

Because life is short and my wit is afraid of the high undertaking, in neither do I have much confidence.