The ISRM is extremely grateful to Prof. John Hudson for preparing this series of downloadable ISRM Lectures. Lecture 1 - Principles - Introduction Lecture 2 - Rock stress Lecture 3 - Stress path, enginering failures Lecture 4 - Complete force-displacement curve Lecture 5 - Fracture frequency Lecture 6 - In situ rock failure Lecture 7 - Archeopteryx and Open Cast Coal Mine Lecture 8 - Modelling and Design Lecture 9 - Failure and profilagons Lecture 10 - SI and TA Lecture 11 - JinPing II project Lecture 12 - Cultural Lecture 13 - Writing a paper Lecture 14 - Rock Mechanics Future