Quotation from: The Little Lady of the Big House

Written by: Jack London

"And so," she continued, "if you're not using Saunders--"

Dick nodded acquiescence.

"I'm using Callahan this afternoon," he explained, on the instant
planning his own time now that Paula was out of the question. "I never
can make out, Paul, why you prefer Saunders. Callahan is the better
driver, and of course the safest."

"Perhaps that's why," she said with a smile. "Safety first means
slowest most."