Hollywood filmmaker Christopher Nolan has said he is very honoured that his film 'Memento' inspired Aamir Khan's 2008 film 'Ghajini' while adding, "I will watch it at some point." Nolan further said, "I have heard it was very successful, I heard people liked it." Nolan also said he has watched Kamal Haasan's films and Satyajit Ray's Bengali film 'Pather Panchali'.