We must look after our own before lining the pockets of overseas countries and investors.

We practise, we know exactly what we must do and we win.

Marriage is an institution, and you must be fully committed to it.

Britain must be the champion of international law.

The manner in which life constructs itself must be dealing with some other principle which we've failed to identify.

To provide optimal levels of protective micronutrients, a diet must be vegetable-based, not grain-based.

We must maintain strong defenses, military and spiritual.

Being a 911 operator means balancing seemingly contradictory skills. On one hand, operators have to be fanatically precise and well-organized. On the other, they must be able to establish rapport with panicky callers.

God must have been on leave during the Holocaust.

You must be in tune with the times and prepared to break with tradition.

In an era ruled by materialism and unstable geopolitics, art must be restored to the center of public education.

We must inflict upon terrorists and their families critical economic harm.

A professor must have a theory as a dog must have fleas.

Conductors must give unmistakable and suggestive signals to the orchestra - not choreography to the audience.

To find relief in what has been, we must make ourselves eternal.

Put simply, the U.K. must remain a hub for international talent.

You must play boldly to win.

Dilettantism is the sort of thing one must avoid.

Public opinion must be heard.

In English we must use adjectives to distinguish the different kinds of love for which the ancients had distinct names.