28  O that cunning plan of the evil one! O the vainness, and the frailties, and the foolishness of men! When they are ^dlearned they think they are wise, and they hearken not unto the counsel of God, for they set it aside, supposing they know of themselves, wherefore, their wisdom is foolishness and it profiteth them not. And they shall perish.

  20  And the Gentiles are lifted up in the pride of their eyes, and have stumbled, because of the greatness of their stumbling block, that they have built up many churches; nevertheless, they put down the power and miracles of God, and preach up unto themselves their own wisdom and their own ^flearning, that they may get gain and grind upon the face of the poor.

  4  And my speech and my preaching was not with enticing words of man's wisdom, but in demonstration of the Spirit and of ^dpower: