They yearn for what they fear for.

As flowerlets drooped and puckered in the night turn up to the returning sun and spread their petals wide on his new warmth and light-just so my wilted spirits rose again and such a heat of zeal surged through my veins that I was born anew.

And here Dante describes an evidently spherical world... "The lamp of the world [the sun] rises to mortals through different passages; but through that which joins four circles with three crosses [the position of the rising sun at the vernal equinox] it issues with a better course and conjoined with better stars, and tempers and stamps the wax of the world more after its own fashion. Although such an outlet had made morning there and evening here, and all the hemisphere there was bright, and the other dark..."

As the geometer intently seeks to square the circle, but he cannot reach, through thought on thought, the principle he needs, so I searched that strange sight.

O foolish anxiety of wretched man, how inconclusive are the arguments which make thee beat thy wings below!

The more a thing is perfect, the more it feels pleasure and likewise pain.

At this high moment, ability failed my capacity to describe.