"heartwarming message" is a correct and usable phrase in written English.
You can use "heartwarming message" in a variety of contexts, such as when describing a kind or uplifting message, a sentimental note or letter, or a touching speech. It can also be used to refer to a message that brings comfort or joy to the recipient. Example: "As I read my grandmother's heartwarming message in her birthday card, tears welled up in my eyes. Her words of love and wisdom touched my heart deeply."
It is a heartwarming message of support for Mr. Liu, one we hope he has been able to hear even from his prison cell, and for all of us who support him and his goals.
Tomlinson's post-exam letter to pupils at the Nelson school went viral in 2014 because of its heartwarming message that "the scores you get will tell you something but they will not tell you everything".
It has a heartwarming message about the importance of family.
In it, he shared a heartwarming message to all his neighbors who grew up watching his show and who passed it on to the kids in their lives.
It's a heartwarming message mixed in among Grande's many (super adorable) selfies, and it's one fans were glad to hear: The post has received more than 570,000 likes.
After discovering someone had rummaged through the dumpsters behind her shop looking for food, the restaurant owner in Warr Acres, Oklahoma posted fliers with this heartwarming message around her building, inviting the mystery scavenger in for a complimentary meal.
My American friends post heartwarming messages of support to one another, and often themselves, while my British cohort's updates are usually some variation on "This is rubbish".
A heartwarming video message recorded for a child with autism by Doctor Who star Peter Capaldi gave the nine-year-old the courage to go to his grandmother's funeral, his father has said.
In this case China's taikonaut Jing Haipeng recorded a heartwarming video message from the Chinese Tiangong-2 space station greeting the incoming ISS crew and praising the community of global cooperation that makes all this possible.
The Guardian called the recording by Capaldi, "a heartwarming video message".
If this was meant to be a cross section of Vietnam's Communist society, its message was heartwarming.
