Hebrews 11:1 What is faith?

Hebrews 11:1 "Now faith is the substance of things hoped for; the evidence of things not seen." Today, to have faith is considered by many as foolish. It is science that most people now chose to believe in. Undoubtedly science has furthered mankind and benefited us greatly, but when it comes to the question of life and death, science is still (and always will be) unable to produce an answer for us. However, most people don't stop to think about what the Christian faith actually is. Is it something for the foolish and the weak, or is it a faith that is calculated and well placed? There is no doubt that you can have a foolish faith. Many people put their faith in things that have no basis. What about the Christian faith? Hebrews 11:1 provides a definition of what biblical faith is. To understand what it is saying it is best to deconstruct the verse into two parts: "faith is the substance of things hoped for;" and "the evidence of things not seen...