But over that career, he found his true calling, the study of animals in their natural habitats.

Her true calling was helping to preserve the world of life.

He did not enjoy these jobs, feeling his true calling was poetry.

After that the authorities left him alone and he was able to devote himself to his true calling.

Now Twelve is like a guy who's found his true calling.

Well, I thought, if that's how he wants to distract himself from his true calling, fine.

However it was here that she found her true calling.

Eventually, however, he decided that music was his true calling.

The school had started offering a course in astronomy, which became her true calling.

"Helping other women get in shape is my true calling," she says.