Dan Rasky's (excellent) oral history videos[0] of his time as NASA's liaison to SpaceX for technology transfer under the COTS program touches on this, as does SpaceX president Gwynne Shotwell's oral history.[1]
Blue Origin's motto, on the other hand, is Gradatim Ferociter: Step by Step, Ferociously. They are known for moving slowly and surely.
[0] https://www.youtube.com/watch?v=SMLDAgDNOhk
[1] https://www.jsc.nasa.gov/history/oral_histories/C3PO/Shotwel...