There is no proletarian, not even a Communist movement, that has not operated in the interests of money, and for the time being permitted by money - and that without the idealists among its leaders having the slightest suspicion of the fact. ↗
I fear that, in the end, the famous debate among materialists, idealists, and dualists amounts to a merely verbal dispute that is more a matter for the linguist than for the speculative philosopher. ↗