Adding concentrated sulphuric acid to water generates heat.

Though it's cold and lonely in the deep dark night / I can see paradise by the dashboard light

[…] I am fully perſuaded that there cannot remain a doubt of the uſe of ſupporters having originated from the fancy of ſeal-engravers. Supporters were likewiſe anciently uſed by divers perſons in private life, as appears by their ſeals, who had offices of high dignity in the ſtate, and more eſpecially by thoſe whoſe employments had the title of Lord prefixed to the ſtile; as Lord Deputy of Ireland, Lord Warden of the Cinque Ports, Lord Preſident of the Council, Lord of the Marches of Wales, Lord Warden of the Stanneries, &c.

Our great-grandsire, Edward, sick'd and died.