1.   Argyris, a renowned professor of education and business, applies his penetrating analysis to the enormously popular works of Stephen Covey, John Kotter and others.

2.   Besides, Christopher deserves the best after that penetrating analysis of the evolution of the sitcom.

3.   All facts and little penetrating analyses do not an illuminating biography make.

4.   Sometimes the performance of an unpleasant duty conveys a message more significant than even the most penetrating legal analysis.