On the one hand, security and justice require centralized governmental control, which must extend to the creation of a world government if it is to be effective. Progress, on the contrary, requires the utmost scope for personal initiative that is compatible with social order.

Bertrand Russell (1872-1970) English mathematician and philosopher

Lecture (1949-01-30), “Individual and Social Ethics,” Reith Lecture, “Authority and the Individual” No. 6, BBC Radio
    (Source)

This passage was not included in the original broadcast (transcript), but only in the collected and edited version in Authority and the Individual (1949).