If you haven't started reading the book yet this should help!!!
http://www.bringhimhome.com
So back during the space race back in the 1960s. JPL had failed seven robotic attempts at going to the moon and were getting close to some major personnel and program changes from the big head honchos of NASA. So during what could have been the last attempt to get to space by the group of engineers and scientist the current flight director David Oh passed around a jar of peanuts. His thought process behind it was to have his crew playing with and eating the peanuts instead of them thinking about the mission and the possibility of them losing their jobs. The mission ended up being a great success with Ranger 7 landing on the moon and took photographs of the lunar surface. So still to this during any pivotal moment during a mission there is always a jar of shelled roasted peanuts labeled "dare mighty things," being passed around the room. As for the quote on the jar the engineers went through several ideas before the all agreed on the iteration together. The peanuts aren’t the only lucky charms engineers also have worry beads, sideburns, "playoff beards," and other traditions.