We cannot have peace if we are only concerned with peace. War is not an accident. It is the logical outcome of a certain way of life. If we want to attack war, we have to attack that way of life.
Climate change is something that we cannot fix alone - it is the original collective action problem - it will not work unless almost all the large economies of the world act together.
Probably, no nation is rich enough to pay for both war and civilization. We must make our choice; we cannot have both.
Nations have recently been led to borrow billions for war; no nation has ever borrowed largely for education... no nation is rich enough to pay for both war and civilization. We must make our choice; we cannot have both.
Now it would be as absurd to deny the existence of God, because we cannot see him, as it would be to deny the existence of the air or wind, because we cannot see it.
As the world becomes a more digital place, we cannot forget about the human connection.
In fact, the converse is true: At a time when the United States has been called on for a level of moral leadership, vision and inspiration not seen since World War II, we cannot afford to dissemble about crimes against humanity.
We cannot be any stronger in our foreign policy for all the bombs and guns we may heap up in our arsenals than we are in the spirit which rules inside the country. Foreign policy, like a river, cannot rise above its source.
We cannot pretend that reality is different from what it is.
We know we cannot plant seeds with closed fists. To sow, we must open our hands.