Me: Which statement comes closest to answering your question; "What else would you call acting without certainty?"
[1] Acting with doubt.
[2] Acting with faith.
DD: Acting with faith.
But the Bible equates faith with certainty. You are arguing that faith is acting 'without certainty'!
New International Version (©1984)
Now faith is being sure of what we hope for and certain of what we do not see.
New Living Translation (©2007)
Faith is the confidence that what we hope for will actually happen; it gives us assurance about things we cannot see.
English Standard Version (©2001)
Now faith is the assurance of things hoped for, the conviction of things not seen.
New American Standard Bible (©1995)
Now faith is the assurance of things hoped for, the conviction of things not seen.
International Standard Version (©2008)
Now faith is the assurance that what we hope for will come about and the certainty that what we cannot see exists.
GOD'S WORD® Translation (©1995)
Faith assures us of things we expect and convinces us of the existence of things we cannot see.
King James Bible
Now faith is the substance of things hoped for, the evidence of things not seen.
American King James Version
Now faith is the substance of things hoped for, the evidence of things not seen.
American Standard Version
Now faith is assurance of things hoped for, a conviction of things not seen.
Bible in Basic English
Now faith is the substance of things hoped for, and the sign that the things not seen are true.
Douay-Rheims Bible
Now faith is the substance of things to be hoped for, the evidence of things that appear not.
Darby Bible Translation
Now faith is the substantiating of things hoped for, the conviction of things not seen.
English Revised Version
Now faith is the assurance of things hoped for, the proving of things not seen.
Webster's Bible Translation
Now faith is the substance of things hoped for, the evidence of things not seen.
Weymouth New Testament
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.
World English Bible
Now faith is assurance of things hoped for, proof of things not seen.
Young's Literal Translation
And faith is of things hoped for a confidence, of matters not seen a conviction,