"Human history is a brief spot in space, and its first lesson is modesty."

"History is subject to geology."

"Generations of men establish a growing mastery over the earth, but they are destined to become fossils in its soil."

"The historian always oversimplifies, and hastily selects a manageable minority of facts and faces out of a crowd of s…"

"Obviously historiography cannot be a science. It can only be an industry, an art, and a philosophy—an industry by fer…"

"It is a precarious enterprise, and only a fool would try to compress a hundred centuries into a hundred pages of haza…"

"Let us define history, in its troublesome duplexity, as the events or record of the past."

"So the first biological lesson of history is that life is competition. Competition is not only the life of trade, it …"

"The second biological lesson of history is that life is selection. In the competition for food or mates or power some…"

"The influence of geographic factors diminishes as technology grows."