“The past is a source of knowledge, and the future is a source of hope. Love of the past implies faith in the future.”

“God alone knows the future, but only an historian can alter the past.”

“The past is a distraction, a source of envy, enmity, bitterness. Only the present matters, for only in the present can we shape the future.Cut loose the past; it is dead weight.Let the Extirpation continue. Let it never end.”

“When Hitler declared war on the United States, he was betting that German soldiers, raised up in the Hitler Youth, would always out fight American soldiers, brought up in the Boy Scouts. He lost that bet. The Boy Scouts had been taught how to figure their way out of their own problems.”

“There are many rules of good writing, but the best way to find them is to be a good reader.”

“The increase of disorder or entropy is what distinguishes the past from the future, giving a direction to time.”

“Even people capable of living in the past don't really know what the future holds.”