The song comes about because God is constant in our lives and he can bring us through anything if we would let him.

His lack of success has been a constant in the story.

Certain elements, however, are constant in his work, especially light and music.

That remains a constant in business success - just like doing the right thing.

This has been a constant in his work for 30 years.

But how then can any species be constant in character across its entire range?

However, one thing was constant in each scenario: not everyone went inside.

This year, he has been a constant in a difficult season.

A constant in her life when there were no others.

It's been a constant in our lives as other things have changed.