“Absence of proof is not proof of absence.”
“In the absence of proof, all that matters is perception.”
“Faith isn't absence of doubt. It's belief without proof, not without question.”
“Indeed, the human mind appeared to suffer from a crippling need to fabricate in the absence of concrete proof.”
“I don't know. A proof is a proof. What kind of a proof? It's a proof. A proof is a proof, and when you have a good proof, it's because it's proven.”
“Darkness is the absence of light. Happiness is the absence of pain. Anger is the absence of joy. Jealousy is the absence of confidence. Love is the absence of doubt. Hate is the absence of peace. Fear is the absence of faith. Life is the absence of death.”