There is a sort of enthusiasm in all projectors, absolutely necessary for their affairs, which makes them proof against the most fatiguing delays, the most mortifying disappointments, the most shocking insults; and, what is severer than all, the presumptuous judgement of the ignorant upon their designs.
An account of the European Settlements in America (1757), pp. 19-20, in The Works of Edmund Burke in Nine Volumes, Vol. IX. Boston: Little, Brown, 1839.