"But science is the great instrument of social change, all the greater because its object is not change but knowledge, and its silent appropriation of this dominant function, amid the din of political and religious strife, is the most vital of all the revolutions which have marked the development of modern civilisation."

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We have some of the most influential Members of Congress here today, and I do hope that we can get this appropriation for these day-care centers, which seems to me to be money very wisely spent, and also under consideration of the tax bill, that we can consider the needs of the working mothers, and both of these will be very helpful, and I would like to lobby in their behalf.

— John F. Kennedy