the proof of # 47_2CO_02_09 # For to this end also did I write, that I might know the proof of you, whether ye be obedient in all things. 
the proof of # 47_2CO_08_24 # Wherefore show ye to them, and before the churches, the proof of your love, and of our boasting on your behalf. 
the proof of # 50_PHP_02_22 # But ye know the proof of him, that, as a son with the father, he hath served with me in the gospel.