A study of the history of opinion is a necessary preliminary to the emancipation of the mind.
研究思想史是解放思想的必要前提。
-- John Maynard Keynes 凯恩斯
A study of the history of opinion is a necessary preliminary to the emancipation of the mind.
研究思想史是解放思想的必要前提。
-- John Maynard Keynes 凯恩斯