With the passing of beloved director David Lynch, many of the actors he worked with – along with countless staunch admirers – have shared emotional tributes and testaments to his legacy.

Kyle MacLachlan — an actor who frequently collaborated with David Lynch — shared a lengthy, heartfelt tribute to his friend on Instagram after the iconic filmmaker’s death at the age of 78 on Thursday.

I will miss him more than the limits of my language can tell and my heart can bear. My world is that much fuller because I knew him and that much emptier now that he’s gone.”