We must recognize that as the dominant power in the world we have a special responsibility. In addition to protecting our national interests we must take the leadership in protecting the common interests of humanity.

Where there is an absence of international political leadership civil society should step in to fill the gap providing the energy and vision needed to move the world in a new and better direction.

The more that social democracy develops grows and becomes stronger the more the enlightened masses of workers will take their own destinies the leadership of their movement and the determination of its direction into their own hands.

Ever since Israel has been a nation the United States has provided the leadership. Every president down to the ages has done this in a fairly balanced way including George Bush senior Gerald Ford and others including myself and Bill Clinton.

Leadership is a potent combination of strategy and character. But if you must be without one be without the strategy.

Henceforth the leaves of the tree of knowledge were for women and for the healing of the nations.

And indeed this theme has been at the centre of all my research since 1943 both because of its intrinsic fascination and my conviction that a knowledge of sequences could contribute much to our understanding of living matter.

The increased global linkages promote economic growth in the world through two key mechanisms: the division of labor and the international spillovers of knowledge.

What I look for when I see a piece of art for the first time is some kind of emotional intellectual experience that's a combination of both of those things and is informed by my knowledge and something new that I see the artist doing.

The whole Twitter phenomenon is really indicative of what's happening in this country. And I say this in condemnation of myself as much as anyone else - we are growing into a nation that has no time desire or capacity for truth. All we can handle is 140 characters of knowledge.