It is absolutely necessary that each Orthodox Christian have a knowledge of the content of his faith and its basic truths – the dogma of the Trinity, of Divine Love, the Incarnation, the saving death and Resurrection of the Savior, the future destiny of the world and of mankind, etc. These questions are not something distant and insignificant, rather they are vital and important to us, for the whole meaning of life hangs upon their answers. All these questions coalesce in one: is there a God and Who is He? These are questions of singular importance even for people who barely believe. For truly believing people, to know about God is to know what He means to us and what His will is concerning all of us. This is the basic, most important and precious knowledge in life. In fact, Orthodox life itself is defined first of all by the knowledge of God. The Lord Himself, while praying to His Father, said: ‘This is eternal life, that they know You, the One True God and the One Whom You sent…’ From all this, we see that the knowledge of God is our direct Christian duty, and the way to it, in addition to the study of theology, is the contemplation of God. Contemplation of God is the description of the spiritual mood in which man intentionally introduces into, maintains in his conscience, the thought of God, of His highest properties, the matter of our salvation and of our eternal future, etc. Such contemplation of God is especially loved by our Orthodox ascetics, but, unfortunately, it is not familiar to most of us. The knowledge of God is not, however, the mere rational acceptance and remembrance of our Orthodox Christian teaching of faith and life. Christianity is a living life, an experience of the human heart, and therefore it is accepted by people unequally. The more a person has experienced the truths and commandments of his faith in his personal life, in the inner experience of inner struggle and striving to live according to God’s Gospel, the deeper does he assimilate Christianity. Conversely, if a person treats his faith dryly, with external formalism, and is not guided by the appeals of Christ’s Gospel in his personal life, he will not accept Christianity into his soul and heart, and the profound content of the truths of Christ’s faith will remain alien to him.