He said that three mindsets are important. They are gratitude, reflection and respect.
Sen-nichi kaihougyo (千日回峰行) is the 1000 days devotional circuit on Mt. Hiei in Kyoto. Every day the monk walks over 40km on the trail for 1000 days. In addition, after that, he got another devotional circuit without food, water, sleep and lie-down for 9 days.
And he said that gratitude, reflection and respect are important. They make us happy.
Someday I want to understand the thought.