We cannot kill or capture our way out of an industrial-strength insurgency.
If al Qaeda or any other enemy of our country manages to create a situation or explode a bomb or murder or incapacitate large numbers of our people, we cannot wait for 7 weeks of a special election in order to deal with that.
We cannot always control our thoughts, but we can control our words, and repetition impresses the subconscious, and we are then master of the situation.
We cannot be a house divided - divided in will, divided in interest, divided in soul. We cannot be a house divided and live.
Where the stakes are the highest, in the war on terror, we cannot possibly succeed without extraordinary international cooperation. Effective international police actions require the highest degree of intelligence sharing, planning and collaborative enforcement.
We cannot improve on the system of government handed down to us by the founders of the Republic. There is no way to improve upon that. But what we can do is to find new ways to implement that system and realize our destiny.
We cannot learn from one another until we stop shouting at one another - until we speak quietly enough so that our words can be heard as well as our voices.
The fact is we can only love what we know personally. And we cannot know much. In public affairs, in the rebuilding of civilization, something less dramatic and emotional is needed, namely tolerance.
I believe that we parents must encourage our children to become educated, so they can get into a good college that we cannot afford.
When it comes to human dignity, we cannot make compromises.
We cannot perform our tasks to the best of our power, unless we think well of our own capacity.
The basic thing nobody asks is why do people take drugs of any sort? Why do we have these accessories to normal living to live? I mean, is there something wrong with society that's making us so pressurized, that we cannot live without guarding ourselves against it?
Many things we need can wait. The child cannot. Now is the time his bones are formed, his mind developed. To him we cannot say tomorrow, his name is today.
In the building of a basic wardrobe, we cannot go wrong if we strive for simplicity and perfect fitting.
But we cannot rely on foreign help indefinitely.
And so, in case we have contingencies and things that we cannot accomplish within the duration of the space walk, we have a buffer, I mean, in order to be able to complete the... what we want to accomplish.
Action is drama. If we cannot make the audience laugh, smile or cry with us, we are not actors.
As Mark Weiner puts it, whether you gain 50 pounds or lose 50 pounds, whether you have a sex change operation for that matter, that it doesn't matter, that there is some part of ourselves that we cannot escape.
We cannot afford to have any large section of the business world in doubt whether they have broken the laws or not, and we cannot let the laws become a dead letter through vagueness. In this view it is clear that an administrative commission can render invaluable service.
We cannot direct the wind, but we can adjust the sails.
We cannot seek achievement for ourselves and forget about progress and prosperity for our community... Our ambitions must be broad enough to include the aspirations and needs of others, for their sakes and for our own.
Beauty, like ice, our footing does betray; Who can tread sure on the smooth, slippery way: Pleased with the surface, we glide swiftly on, And see the dangers that we cannot shun.
Where can we go to find God if we cannot see Him in our own hearts and in every living being.
We cannot even predict what kinds of emergent properties would appear when animals begin interacting as part of a brain-net. In theory, you could imagine that a combination of brains could provide solutions that individual brains cannot achieve by themselves.
We cannot even recollect the actions of our infancy, our childhood is like something written on a slate and rubbed off.
As Congress focuses on comprehensive health care reform, one thing needs to be clear: We cannot fix health care if we do not address America's nursing shortage.
Perhaps our only sickness is to desire a truth which we cannot bear rather than to rest content with the fictions we manufacture out of each other.
Perhaps there is only one cardinal sin: impatience. Because of impatience we were driven out of Paradise, because of impatience we cannot return.
Let us account for all we see by the facts we know. If there are things for which we cannot account, let us wait for light.
We cannot suppose therefore that God has made an order of beings, with such mental qualities and powers, for the sole purpose of being used as beasts, or instruments of labour.
We cannot afford idleness, waste or inefficiency.
We cannot look backwards. What we have to do is raise our heads, look forward, roll up our sleeves and work.
Because we cannot know what God is, but only what He is not, we cannot consider how He is but only how He is not.
We cannot meet the needs of a growing country and a growing economy by simply maintaining our current level of effort. We must do more.
Even though this is late in an election year, there is no way we can go forward except together and no way anybody can win except by serving the people's urgent needs. We cannot stand still or slip backwards. We must go forward now together.
Since we cannot know all that there is to be known about anything, we ought to know a little about everything.