This is not a dispute about whether planning is to be done or not. It is a dispute as to whether planning is to be done centrally, by one authority for the whole economic system, or is to be divided among many individuals.
(Hayek, 1945, pp. 520-521)
Hayek, F. A., 1945. The Use of Knowledge in Society. The American Economic Review, 35(4), pp. 519-530.
Really makes you think.