Do Christians Believe in Miracles?

For a Christian ‘yes’ is the only answer to the question, “has God worked through miracles?” Christianity falls if miracles do not exist.
Neither Time Past Nor Future, But the Present Only, Really Is

If, then, time present—if it be time—only comes into existence because it passes into time past, how do we say that even this is, whose cause of being is that it shall not be—namely, so that we cannot truly say that time is, unless because it tends not to be?
1) Importance of prayer – Prayer: What’s It All About?

intensity, union, and communion that will radically alter the way we live our lives….Prayer above all else is conversation with God. It is the primary speech of the true self to the true God.