Now faith is the substance of things hoped for, the evidence of...

Now faith is the substance of things hoped for, the evidence of things not seen.

Now faith is being sure of what we hope for and certain of what we do not see.

Faith... makes us certain of realities we do not see.

Now faith means that we are confident of what we hope for, convinced of what we do not see.

Now faith is a well-grounded assurance of that for which we hope, and a conviction of the reality of things which we do not see.

http://www.acts17-11.com/faith.html