“Do you mean,” Lidi said in a tone of deep existential disgust, “that we have to believe in it to make it work?” “You have to believe in yourself in … - Ursula K. Le Guin

" "

“Do you mean,” Lidi said in a tone of deep existential disgust, “that we have to believe in it to make it work?”
“You have to believe in yourself in order to act, don’t you?” Tai said.
“No,” the navigator said. “Absolutely not. I don’t believe in myself. I know some things. Enough to go on.”