Differential equations won't help you much in the design of aeroplanes - not yet, anyhow. Votes: 3

Nevil ShuteWe have the only cookbook in the world that has partial differential equations in it. Votes: 2

Nathan MyhrvoldLove can reach the same level of talent, and even genius, as the discovery of differential calculus. Votes: 2

Lev VygotskyProfits are not made by differential cleverness, but by differential stupidity. Votes: 0

David RicardoIn order to solve this differential equation you look at it until a solution occurs to you. Votes: 0

George PolyaNothing has afforded me so convincing a proof of the unity of the Deity as these purely mental conceptions of numerical and mathematical science which have been by slow degrees vouchsafed to man, and are still granted in these latter times by the Differential Calculus, now superseded by the Higher Algebra, all of which must have existed in that sublimely omniscient Mind from eternity. Votes: 4 Mary Somerville