Faith is not a question of basking in the certainty that there is a God and that God is taking care of us. Many of us are never granted this kind of assurance. Certitude is not the real substance of faith. Faith is a way of seeing things.
Certitude is not the test of certainty.
[Friedrich] Nietzsche said something marvellous, he said "Madness is not a consequence of uncertainty but of certainty", and this is fanaticism.
I have learned to prize holy ignorance more highly than religious certainty and to seek companions who have arrived at the same place.
The only certainty is death.
The demand for certainty is one which is natural to man, but is nevertheless an intellectual vice.
You can safely appeal to the United Nations in the comfortable certainty that it will let you down.
We may not be able to get certainty, but we can get probability, and half a loaf is better than no bread.
There's no certainty to the next couple of years, but people are paying attention now. And I want to put out a record when people are paying attention, because that's when it has the best chance of being heard.
Biblical hope is not wishful thinking or an optimistic outlook; rather, it is a confident expectation based on the certainty of God's Word that as He has anchored us in the past, so He will in the future.