When I did well, as a boy you used to put me in prison. Now if I do it being grown up, you will do worse to me. - Leonardo da Vinci

If you meet with any one who is virtuous do not drive him from you; do him honour, so that he may not have to flee from you and be reduced to hiding in hermitages, or caves or other solitary places to escape from your treachery; if there is such an one among you do him honour, for these are our Saints upon earth; these are they who deserve statues from us, and images...

All the elements will be seen mixed together in a great whirling mass, now borne towards the centre of the world, now towards the sky; and now furiously rushing from the South towards the frozen North, and sometimes from the East towards the West, and then again from this hemisphere to the other.

The city will gain beauty worthy of its name and to you it will be useful by its revenues, and the eternal fame of its aggrandizement.