The concept that completes the sentence is Christianity because the conception of morality and misfortune coincides with the way of thinking of Christianphilosophy.
<h3>What is Christian philosophy?</h3>
Christianphilosophy is a stream of philosophical thought based on the Christian religion and the holyscriptures of the Bible. In this current of thought there are several outstanding characteristics such as:
They place a high value on moral values.
The misfortune of life is part of the path to paradise.
Love is an important part of the guide to good action.
According to the above, it can be inferred that the fragment refers to Christianthought.