The principle states that every event has a rational explanation.

The principle states that "If you do anything long enough, it becomes creepy."

If is the optimal control for the problem, then the principle states that:

The principle of justice states the benefits of research should be distributed fairly.

The principle states that a universal computing device can simulate every physical process.

The principle states that the location and velocity of a particle cannot both be precisely measured at the same time.

This principle states that no movement can move an element over more than one bounding node at a time.

These principles state that "Teachers are entitled to freedom in the classroom in discussing their subject."

The principle states that the teachings of the major religions are part of a single plan directed from the same God.

Both principles state that friendly people would prefer friendly partners.