We have to gamble, and sometimes lose as George Ainslie argues; this keeps the appetite for life sharp.

In the old systems, hierarchies emanate power from above to below through forms of line management and are ideologically supported by cosmologies and theologies featuring celestial rulers and their deputies - the 'rule of the best.'

We call 'Slavery is wrong' a moral truth because there is a specific history of theoretical investigation of a particular kind of slavery. We discussed it for centuries in metaphysical, economic, biological, and philosophical terms; we listened to all the arguments pro and con, we read all the testimonies of slaves and witnesses, and we decided. Though this 'we" is not everybody on earth, or even most people, who've never thought about slavery much.

Gentlemanly, principled, helpful behaviour by older men vis-a-vis young women goes unnoticed, but it deserves real moral credit, and we could use more first-person testimony from the beneficiaries and practitioners about that too.

We use and need to use both systems in complex political societies, and we oscillate in our commitments, because both oligarchy and rule by the will of masses have their bad points, as the ancient philosophers all knew.

There's Hobbes, who understood in the 1640s that the sovereign is not an appointee of God, or even a figure of superior virtue and wisdom, but just a functional device whose role is to keep people from hurting and killing each other.

About 70% of what I've written about is centered on the clashes and conformities between the emerging life and physical sciences and older metaphysical frameworks in the 17th and 18th centuries. The other 30% consists of one-off essays or researches into other intriguing contemporary topics such as visual experience, aesthetics, social justice issues, and the epistemology of moral knowledge.