This was a new philosophical system relating to spiritual and cultural evolution of mankind.

So being vigilant about tiny clues is a major part of spiritual evolution.

All the best sources agree that these bleak periods are necessary to spiritual evolution.

That poem had talked about empathy being the key to human spiritual evolution.

The concept of spiritual evolution has been taught in Buddhism.

Within this broad definition, theories of spiritual evolution are very diverse.

Benjamin went through a spiritual evolution, from secular to religious, his father said.

Instead, we should strive to rise up on the ladder of spiritual evolution.

Rather, strive to rise on the ladder of spiritual evolution.

Some fans saw the album as a musical and spiritual evolution for Prince.