Given the complexity of interpersonal relationships and institutions and the complexity of co-ordination of the actions of many people, it is enormously unlikely that, even if there were one ideal pattern for society, it could be arrived at in an a priori fashion. And even supposing that some great genius did come along with a blueprint, who could have the confidence that it could work

The scientists often have more unfettered imaginations than current philosophers do. Relativity theory came as a complete surprise to philosophers, and so did quantum mechanics, and so did other things.

Evolutionary cosmology formulates theories in which a universe is capable of giving rise to and generating future universes out of itself, within black holes or whatever.

Taxation of earnings from labor is on a par with forced labor.

I think philosophers can do things akin to theoretical scientists, in that, having read about empirical data, they too can think of what hypotheses and theories might account for that data. So there's a continuity between philosophy and science in that way.

Through the evolutionary process, those who are able to engage in social cooperation of various sorts do better in survival and reproduction.

There is room for words on subjects other than last words.