The cardinal responsibility of leadership is to identify the dominant contradiction at each point of the historical process and to work out a central line to resolve it.

Experience alone can give a final answer. The knowledge gained in a few years by a commission of the kind suggested would be worth more than volumes of mere assertions and contradictions.

May I say finally that I have no illusions of grandeur quite to the contrary I am very humble in my knowledge that through forty years of my life my life has been an open book of service to my fellow architects and for the public good.

Very few beings really seek knowledge in this world. Mortal or immortal few really ASK. On the contrary they try to wring from the unknown the answers they have already shaped in their own minds.

Knowledge is not simply another commodity. On the contrary. Knowledge is never used up. It increases by diffusion and grows by dispersion.

In formal logic a contradiction is the signal of defeat but in the evolution of real knowledge it marks the first step in progress toward a victory.

I'm fascinated by the journey that an intelligent and an ambitious woman makes in the professional world in contrast to the journey that a man of similar ambition of similar intelligence makes. What sort of concessions does a woman have to make? Does she have to work 20 percent harder than a man?

As liberty and intelligence have increased the people have more and more revolted against the theological dogmas that contradict common sense and wound the tenderest sensibilities of the soul.

Many intelligence reports in war are contradictory even more are false and most are uncertain.

Military intelligence is a contradiction in terms.