Logic was good, but too much logical analysis inhibited action. Darya had heard it seriously suggested that the original human cladeworld, Earth, had… - Charles Sheffield

He had defined intuition for Sondra: it was what remained after all the facts had been forgotten. But intuition could also be something else. Sometimes it was the subconscious mind, establishing deep connections long before the thinking part of the brain could explain them.

My aunt doesn't even believe there is a Ship. She says we've been here on Pentecost forever."
"What did you tell her?"
"Nothing. For someone with that view, logic is irrelevant—she'll believe what she chooses, regardless of evidence. Her religion says God placed us here on Pentecost, and for her that's the end of the argument."
"And you?" Peron was aware that she had moved in very close to him. "What do you think?"
"You know what I think. I'm cursed with a logical mind, and a lot of curiosity.

Everyone was polite; no one was happy.