I have no knowledge other than that gained through my own eyes.

- Vannoccio Biringuccio

The credulous ... advance the authority of hearsay in place of reasons for possible success or facts that can be demonstrated.

- Vannoccio Biringuccio

[On the propulsive force of rockets] One part of fire takes up as much space as ten parts of air, and one part of air takes up the space of ten parts…

- Vannoccio Biringuccio