The wide sleeves of the black shihakushou gently fluttered in the air as the long arms swung back and front , the large hands still coarsely callused as ever . The footsteps were as always firm and steady , contrast to the almost hesitant - looking pace he walked up the stairs at . Nothing had changed yet at the same time , everything had changed .

Question: How can " nothing " and " everything " happen at the same time ?
Answer: When a lot of things happens there is actually no changeNone of the above choices .The change is simply a change of perspectiveAll things are different