Every philosophical thinker hails it [The Origin of Species] as a veritable Whitworth gun in the armoury of liberalism.
‘The Origin of Species’ (1860). In Collected Essays (1893), Vol. 2, 23.
Though I sometimes wonder whether these days, evolution is too often associated with liberalism, hence why vast swathes of america still subscribe to creationism, as a reaction purely against liberalism.