I never imagined I could make it to the top of Mount Everest at age 80. This is the world's best feeling, although I'm totally exhausted. Even at 80, I can still do quite well.

After retiring, I was a little bored with nothing to do and got fat. I thought, if a 60-year-old metabolic fat man, after five years, can get to Mount Everest, that would be very exciting.

I never imagined I could make it to the top of Mount Everest at age 80. This is the world's best feeling, although I'm totally exhausted. Even at 80, I can still do quite well.

I want to ski down Mount Cho Oyu in the Himalayas when I am 85, descending from a height of 8,201 meters.

If you wish strongly, have courage and endurance, then you can get to the summit of your dream.

Just keep challenging yourself. I think that's a great thing.