Bryan Magee (1930-2019), The Philosophy of Schopenhauer
, rev. ed. (Oxford: Clarendon Press, 2002), p. 19:
Schopenhauer was a counter-revolutionary, reactionary in the strict sense of that word — once, on the occasion of a political riot, he invited the soldiery into his home to shoot at the mob from the vantage point of his windows; and when he died he left his money to a fund for the maintenance of soldiers disabled in the suppression of the 1848 revolution, and for the widows and orphans of those killed.