"In other words, mistakes generate change. This world has become lifeless, mechanical, and icy cold precisely because machine servants only do the 'right thing,' and in most cases, there is only one optimal solution—meaning this world will no longer have 'change,' since everything is predictable."
"When the machine servants had masters, the process of 'making mistakes' could be fulfilled by their masters, while they were responsible for perfecting and maintaining. But if this world is left with only machine servants that just maintain normal operations, and they have completely lost their purpose, then they would continue to sustain the daily functioning until the world meets its end."
"Jason was shaken by Ofelia's concept."
"He finally revealed to Ofelia the solution to all this—he held the secret key to ending this era in his hands."