Do heretical thoughts make one a heretic?

From All: R Jesse Horn by R Jesse Horn.

• Published: 2010-04-29T00:00:00Z
• Duration: 28:30
• Audio: https://shiurim.yutorah.net/2010/1079/744573.MP3
• Page: https://yutorah.org/lectures/744573
• TorahApp: https://torahapp.org/share/p/YU_80477_all/e/yu%3A744573