Kammala jumla mai zuwa: Fox ya yi maraba da juyin juya halin Faransa na 1789, yana fassara shi a matsayin ƙarshen kwaikwayon Continental na Birtaniya na Glorious Revolution na 1688. A cikin martani ga
Da yake kai hari kan Bastille a ranar 14 ga Yuli, ya yi sanannen sanarwa, "Yaya mafi girman abin da ya faru a duniya! kuma yaya mafi kyau!" A watan Afrilu na 1791, Fox ya gaya wa Commons cewa yana "sha'awar sabon kundin tsarin mulkin Faransa, wanda aka yi la'akari da shi gaba ɗaya, a matsayin mafi girma da ɗaukaka na 'yanci, wanda aka kafa a kan tushen mutuncin ɗan adam a kowane lokaci ko ƙasa". Don haka ya ɗan yi mamakin yadda tsohon abokinsa na Whig, Edmund Burke, ya yi game da abubuwan ban mamaki a ƙetaren Channel. A cikin "Tunanin Juyin Juya Halin Faransa", Burke ya yi gargadin cewa juyin juya halin ya kasance tawaye ne na tashin hankali a kan al'ada da kuma ikon da ya dace, wanda ya motsa ta hanyar Utopian, ra'ayoyin da ba a haɗa su da gaskiya ba, wanda zai haifar da rashin tsari da kuma mulkin kama karya. Fox ya karanta littafin kuma ya same shi "a cikin mummunan dandano" kuma "yana fifita ƙa'idodin Tory", amma ya guji matsa batun na ɗan lokaci don kiyaye dangantakarsa da Burke. Whigs mafi tsattsauran ra'ayi, kamar Sheridan, ya rabu da Burke da sauri a wannan lokaci.