Hold somebody/something dear
Definition 1 of 1
Pro Tip 1/3Emotional Value
Indicates profound affection or respect for someone or something, often with a sentimental tone. 
The locket from my grandmother is something I hold dear.
Pro Tip 2/3Not Physical
It's about emotional attachment, not physically holding or owning something. 
Even after moving abroad, I hold my hometown traditions dear.
Pro Tip 3/3Formality Level
The phrase is more formal and might be used in heartfelt speeches or writings. 
In his farewell address, the principal said he held the school community dear.