The force told Qui-Gon that Jar-Jar had some role yet to play in their futures. Yeah, the force told him that Jar-Jar would eventually become acting Senator for Naboo and that he would make the critical decision to propose giving Palpatine emergency powers to create his own army... Which means he is the one and only "person" responsible for creating the whole Empire problem in the first place. Good job, Jar-Jar. Qui Gon should've sold him to a Sushi bar.