Day's design philosophy was shaped by the austerity of the postwar years, but also by their optimism.

My design philosophy connects very much to them: plain, simple, useful and affordable.

While it did succeed in making production easier, this design philosophy produced many aerodynamic compromises in the design.

His objective in all his designs were to maintain his billiard table design philosophy.

This design philosophy was most successful in action when the battlecruisers could use their speed to run down smaller and weaker ships.