We must stand vigilant to protect our voting access.
We know that we can defeat Islamist terrorism without violating our ideals; indeed, we must. These ideals, these American ideals.
To the revolutionary mind the American vista must have been almost as incredible as Genghis Khan's first view of China - so rich, so soft, so unaware.
The ear of the leader must ring with the voices of the people.
Belief, like love, must be voluntary.
I remember my first meeting with Alastair Cook clearly. The entire Lancashire side, some of them pretty mild-mannered, really laid into him. He'd just scored a double-hundred for Essex against Australia in a warm-up match before the 2005 Ashes. For some reason, we all assumed he must be really arrogant.
You must have been warned against letting the golden hours slip by. Yes, but some of them are golden only because we let them slip.
The Gillard government must give up its addiction to wasteful spending borrowing and taxing.
The electron can no longer be conceived as a single, small granule of electricity; it must be associated with a wave, and this wave is no myth; its wavelength can be measured and its interferences predicted.
This means that the search for a formula of European cooperation in connection with the League of Nations, far from weakening the authority of this latter must and can only tend to strengthen it, for it is closely connected with its aims.
O month when they who love must love and wed.
We must demand that blacks work, stop making babies out of wedlock, and raise their children.
For our welfare reform efforts to be successful, we must empower local charitable organizations with the resources to address their local community needs.
To become the best comedian, I must be well-rounded.
All things must; man is the only creature that wills.
I used to tell my writing students that they must write the books they wished they could come upon - because then the books they hungered and thirsted for would exist.
There must be no worse punishment to a totalitarian nation than the withdrawal of capital.
The Christian must trust in a withdrawing God.
To be witty is not enough. One must possess sufficient wit to avoid having too much of it.
We must use the wrath of nature as our teacher.