Wisdom is not just knowing fundamental truths, if these are unconnected with the guidance of life or with a perspective on its meaning. If the deep truths physicists describe about the origin and functioning of the universe have little practical import and do not change our picture of the meaning of the universe and our place within it, then knowing them would not count as wisdom.

The socialist society would have to forbid capitalist acts between consenting adults.

What else can matter to us, other than how our lives feel from the inside?

It is, from another angle, an attack on requiring proof in philosophy. And it's also the case, I guess, that my temperament is to like interesting, new, bold ideas, and to try and generate them.

The illegitimate use of a state by economic interests for their own ends is based upon a preexisting illegitimate power of the state to enrich some persons at the expense of others. Eliminate that illegitimate power of giving differential economic benefits and you eliminate or drastically restrict the motive for wanting political influence.

Instead of trying to prove your opponent wrong, try to see in what sense he might be right.

Marxian exploitation is the exploitation of people's lack of understanding of economics.