The definition of faith is captured in this single verse: believing the invisible is real. Faith isn't merely intellectual agreement—it's experiencing the substance of what we hope for, even when we cannot see it. When your bank account is full, trusting God is easy. Real faith is believing He will provide when the balance hits zero. Hebrews 11 presents faith's hall of fame: Abraham, Moses, Rahab. What united them? They lived as though the invisible was visible. They saw beyond their circumstances into God's promises.