...Like the fires of the prairie, once lighted, they are at the mercy of every wind, and must burn, till they have consumed all that is combustible within their remorseless grasp... 
Frederick Douglass 「My Bondage and My Freedom」
...He thenflings it down, heaps great quantity of combustible matters on it,and makes a great bonfire...
Sir James George Frazer 「Balder The Beautiful, Vol. I.」
...Theology, or superstition, will always be an heap of combustible matter: brooded in the imagination of mankind, it will always finish by causing the most terrible explosions...
Paul Henri Thiery (Baron D'Holbach) Samuel Wilkinson 「The System of Nature, Volume 2」
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