““I’m very sorry,” the drone said, without a trace of contrition.”

“People always leave traces. No person is without a shadow.”

“Life is like a spring dream which vanishes without a trace.”

“All your problems are just illusions that will pass without a trace.”

“Inaction will cause a man to sink into the slough of despond and vanish without a trace.”

“This much poison cannot pour in one’s ears without it will leave some trace.”

“If a North Korean university professor is suspected of insufficient enthusiasm for the system, they will be gone without a trace very quickly. Even the memory of the unlucky victim would likely disappear, since such topics are best not discussed in North Korea.”

“So very difficult a matter is it to trace and find out the truth of anything by history.”

“Implication is thus the very texture of our web of belief, and logic is the theory that traces it.”

“Monsters,' her dad said, a tear tracing his cheek. 'I live in a world of monsters.”