What Does It Mean to Lead a Spiritual Life?
Let me begin with a definition. I believe that this definition is
true regardless of the faith tradition. The spiritual life of any
person is the path that a person chooses to follow in response to
the God within.

The spiritual life is a "path." It is more than doctrine or belief.
It is the conscious choosing of a direction. Our English word,
"belief" comes from the Anglo-Saxon word which means, "by-life."
It is an understanding that "belief" is a way of life.

The spiritual life is also a "response." In the Christian tradition,
this is called a conversion. It means that we set off on the
spiritual path in response to something greater than ourselves. It
may be a sudden and dramatic experience. It may be a long, slow
process. But something happens to set us on the path.

The "something" that happens to us is "God."...

--from the essay "What Does It Mean to Lead a Spiritual Life:A Christian Perspective"
by the Rev. Dr. Kenneth A. Corr

Read the essay in its entirety.