in the bosom of something
to hold/clutch/clasp/take someone/something to your bosom
bosom | American Dictionary
bosom
noun[ Cusually sing ]
us/ˈbʊz·əm/
a woman’s breasts or the front of a person’s chest, esp. when thought of as the center of human feelings
The bosom of a group is the middle of it:
He felt safe in the bosom of his family.