I could not, of course, provide her with any, any more than anyone — scientist or not — can provide absolute proof of what might happen in the future. (treehugger.com)
That somehow there needs to be total and absolute proof for something to be proven. (religion.blogs.cnn.com)
I suspect even if he did know anything at the time, he will deny it until absolute proof is presented. (religion.blogs.cnn.com)