Over a period of more than 2,500 years, Egyptian beliefs about the nature of the afterlife evolved constantly.

During the day spent together, Doctor Manning's belief that she is imagining things evolves into believing that aspects of her story are true.

The debate over why belief evolved is between byproduct theorists and adaptationists.

Many popular beliefs regarding properties of plants, fruits and vegetables have evolved in the folk-medicine of different societies owing to sympathetic magic.

The language, norms, attitudes, and beliefs of the people that make up a service system may evolve over time, as people adjust to new circumstances.

"I think his beliefs have evolved and changed," said Mr. McAnuff.

These rituals and beliefs eventually evolved over time into the vast array of "developed" religions.

As in Christianity, this belief evolved gradually.

This means that peoples' beliefs should evolve as they gain new experiences.

During the Great Depression, Seldes' belief that entertainment existed purely for its own sake evolved.