quiet and placid

잔잔한

He seemed a quiet and placid man, exuding the air of the English country gentleman, but it was the very fact that he was not English that fuelled his enthusiasm for the lifestyle.

Paul Torday obituary

Businessman who turned to writing late in life and scored a huge international hit with his first novel, Salmon Fishing in the Yemen

https://www.theguardian.com/books/2013/dec/19/paul-torday-dies-67#:~:text=He%20seemed%20a%20quiet%20and%20placid%20man%2C%20exuding%20the%20air%20of%20the%20English%20country%20gentleman%2C%20but%20it%20was%20the%20very%20fact%20that%20he%20was%20not%20English%20that%20fuelled%20his%20enthusiasm%20for%20the%20lifestyle.%20