the restive steed and timid deer must ne'er be harnessed to one cart(В одну телегу впрячь не можно / Коня и трепетную лань (А. Пушкин) The restive steed and timid deer / Must ne'er be harnessed to one cart (trans. by Ch. E. Turner) Persons (or things, rare) that are incompatible cannot be brought into accordance with each other. Often used of husbands and wives.)
