Which astronaut said all he could think about before liftoff was that everything in the capsule was supplied by the lowest bidder?

The astronaut who famously expressed concerns about the quality of the capsule's construction before liftoff was Alan Shepard. He remarked that all he could think about was that everything in the capsule was supplied by the lowest bidder. This statement highlights the inherent risks and challenges faced by astronauts during the early days of space exploration. Shepard's Words reflect a mix of humor and anxiety about the reliability of the technology they were using.