Siman 130

(2.) When he came from Kamenitz he said a Torah on the Sabbath on the verse [Psalms 63]: "My soul cleaves after You" — a very wondrous Torah. And he boasted of himself greatly and said: "And what — when I came only from Kamenitz I say such a Torah! When I come from the Land of Israel, all the more so I will merit to reveal Torah that is more and more awesome" etc.