"#3 pencils and quadrille pads."
- Seymoure Cray (1925-1996) when asked what CAD tools he used to design the Cray I supercomputer; he also recommended using the back side of the pages so that the grid lines were not so dominant.

"Interesting - I use a Mac to help me design the next Cray."
- Seymoure Cray (1925-1996) when he was told that Apple Inc. had recently bought a Cray supercomputer to help them design the next Mac.