“The fact that the poor are alive is clear proof of their ability.”
“Ability is a poor man's wealth.”
“Bring to me, it said, continual proof / you've been alive.”
“Let your strength from the pastprovide proof of your abilities to . . .conquer the difficulties of the present.”
“Proof must be solid break walls of facts.”
“One proof of the inspiration of the Bible is that it has withstood so much poor preaching.”