A person wearing a hooded sweatshirt reading a book or menu in a dark setting.

ORDO

A statue of a person dressed as a nun kneeling in prayer in front of a small wooden altar with a crucifix.
A priest in liturgical vestments lighting a candle in front of a religious painting, inside a church.

Cartusiensis

Stat crux dum volvitur orbis

A person dressed as a monk holding a cross standing inside a simple wooden room with religious icons on the wall.

The Cross is steady while the world turns

A person wearing a hooded outfit with a face covering, possibly depicting a nun or a person in costume, sitting next to another person with dark hair and glasses in a black-and-white photo.
Two monks kneel and pray in front of an altar with a crucifix inside a stone church.
A person wearing a hooded robe sitting on a chair next to a bed, reading a book in a wood-paneled room.

The spiritual core of the Carthusians, founded by St. Bruno, lies in the desire "to enter into union of life with God, abandoning everything which impedes such communion, allowing oneself to be seized by the immense love of God and living from that love alone", through solitude and silence.

pope benedict xvi, october 9th, 2011