What is the meaning of this quote?

"Faith is to believe what you do not see. The reward of this faith is to see what you believe" - St. Augustine

This means that having faith in something means that you trust what you believe, even though you can't see it. St. Augustine says that if you have faith, eventually, you will see what you have faith in. This is referring to the Christian church. According to his beliefs, while you can't see God, if you believe in him, you will eventually see him in Heaven.

"Faith is to believe what you do not see. The reward of this faith is to see what you believe" - St. Augustine

"Now faith is the substance of things hoped for, the evidence of things not seen" Hebrews 11: 1. Faith is the connecting power into the spiritual realm, which links us with God and makes Him become a tangible reality to the sense perceptions of a person.