He was overweighted with ill-assimilated erudition; and all the less desirable licenses of Brunelleschi's school, especially in the abuse of square recesses, he adopted without hesitation.

It never seems to have occurred to him that doors which were intended for ingress and egress, windows which were meant to give light, and attics which had a value as the means of illumination from above, could not with any propriety be applied to the covering of blank dead spaces in the interiors of buildings.
The vestibule of the Laurentian Library illustrates his method of procedure.

It is a rectangular box of about a cube and two thirds, set length-way up.

The outside of the building, left unfinished, exhibits a mere blank space of bricks.

The interior might be compared to a temple in the grotesque-classic style turned outside in: colossal orders, meaningless consoles, heavy windows, square recesses, numerous doors--the windows, doors, and attics having no right to be there, since they lead to nothing, lend view to nothing, clamour for bronze and sculpture to explain their existence as niches and receptacles for statuary.