To recount the history of assassination since the beginning of our foreign intercourse — in the beginning, people simply hated the foreigners because all foreigners were "impure" men who should not be permitted to tread the sacred soil of Japan... As I have said before, I felt my life in greatest danger during the twelve or thirteen years around the period of the [Meiji] Restoration.
Ch. XI. - The Autobiography of Fukuzawa Yukichi (1897)