Living on Earth we can develop, many people cannot live without development; development is a natural right. Different areas of development can be pointed out, such as the sphere of interpersonal relationships, the spiritual sphere, the financial sphere, the professional sphere, and others can be mentioned. In this post I will answer the question posed in the title: Why is the spiritual life so important? First, we need to realize that after earthly life, eternal life awaits us. You can believe in it or not. But for believers, eternal life is in a sense self-evident, this belief stems from God's revelation, a huge number of people (including me) believe that God sent Jesus Christ to Earth to do the work of salvation. One of the truths of the Catholic faith is that God rewards for good and punishes for evil. For the good of the people, God gave believers the commandments, without them it is easy to get lost. If I believe that there is God and there is also an afterlife (eternal life...