War has been more common than peace, and extended periods of peace have been rare in a world divided into multiple states

All comparisons between America's current place in the world and anything legitimately called an empire in the past reveal ignorance and confusion about any reasonable meaning of the concept empire, especially the comparison with the Roman Empire.

I can see that you [Bruce Cole] are a true historian because you really always ought to ask that question about anybody at a different place or a different time: What's the same and what's different?

In Our Underachieving Colleges, [Derek] Bok acts as both diagnostician and healer, wielding social-science statistics and professional studies to trace the etiology of today's illnesses and to recommend palliative treatments for what he has discovered.

You have to liberate yourself first from the prejudices of the world in which you live.

War has been more common than peace, and extended periods of peace have been rare in a world divided into multiple states

Without history we are the prisoners of the accident of where and when we were born.