The phrase "a strict principle" is correct and usable in written English.
It can be used when referring to a rule or guideline that is rigidly enforced or adhered to without exceptions.
Example: "The organization operates under a strict principle of transparency in all its dealings."
Alternatives: "a rigid rule" or "a firm guideline".
Another trend that developed in the Sāsānian period, although it had already made itself felt under the Arsacids, was a strict principle of dynastic legitimacy.
The striped paintings, made according to a strict principle, are as boring as the method itself and seeing so many at the Fruitmarket Gallery only makes one conscious of the difference between permutation and actual variety.
A strict principle of equal distribution is not required, but it is morally necessary to justify impartially any unequal distribution.
Diane consults ballistics expert Kurt McVeigh Gary Colee), a mustachioed country man with a strict principle that he will not work if the client is guilty.
Canada's Mr Harper, for example, did not make his choice as a matter of strict principle: note his willingness to pay enthusiastic visits to China, a far more authoritarian country.
Opinion divides on the size of the inequalities which would, as a matter of empirical fact, be allowed by the Difference Principle, and on how much better off the least advantaged would be under the Difference Principle than under a strict equality principle.
He insists that the dividing line between state and society must be drawn according to a strict abstract principle rather than through empirical adaptation.
In England, alliteration as a strict structural principle is not found after 1066 (the date of the Norman-French conquest of Britain), except in the western part of the country.
We construct uniformly high order accurate schemes satisfying a strict maximum principle for scalar conservation laws.
Suppose, for example, that a strict equality principle applies directly to health.
We propose second order accurate discontinuous Galerkin (DG) schemes which satisfy a strict maximum principle for general nonlinear convection diffusion equations on unstructured triangular meshes.
