I don't believe a committee can write a book. It can, oh, govern a country, perhaps, but I don't believe it can write a book.

Toynbee’s remark contrasts two kinds of collective action: administration and creation. Committees can coordinate, negotiate, and manage—activities that often benefit from compromise and procedure—so they may be capable of “governing a country.” But a book, in Toynbee’s view, requires a single, coherent intelligence: a unified voice, sustained argument, and consistent style. The quip also implies that committee work tends to flatten originality, producing safe consensus rather than distinctive insight. As a historian known for large-scale synthesis, Toynbee is implicitly defending the authorial responsibility of shaping a narrative and interpretation that cannot be reduced to bureaucratic collaboration.