The difficulty lies not so much in developing new ideas as in escaping from old ones.
困难不在于发展新思想，而在于摆脱旧思想。
-- John Maynard Keynes 凯恩斯
The difficulty lies not so much in developing new ideas as in escaping from old ones.
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The difficulty lies not so much in developing new ideas as in escaping from old ones.
困难不在于发展新思想，而在于摆脱旧思想。
-- John Maynard Keynes 凯恩斯
