When there is gladness, then rapture arises. When one is uplifted in rapture, the body becomes calm. One who is calm in body feels happy. For one who is happy, the mind becomes concentrated.
Ajahn Pasanno
Monastic
Ajahn Pasanno took ordination in Thailand in 1974 and was a disciple of Ajahn Chah. He is now the Guiding Elder at Abhayagiri Monastery.