conviction **
strong belief
article of faith

I thought he was someone with some beliefs too strong to go back on.

"He had a very strong belief that actions were more important than words."

"I guess it comes from a strong belief in yourself," he said.

But there are many issues that they have strong beliefs about.

He said the decision was also based on his strong belief in the principles of justice.

She has strong beliefs and will stand up for them.

There is a strong belief in the value of military force.

America is based on a strong belief in individual liberty.

"My strong belief is that more families are doing it."

The population is in its majority of strong traditional beliefs.