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, No. 6, BBC Radio
    (Source)

As collected, with edits, in Authority and the Individual (1949).