Exactly the same principles apply as with any age group.

The same principles would apply in the case of a club.

Maybe the same principles applied to learning to be a leader.

The same principle applies to any possible number of cases.

From our point of view, I would say yes is the answer to that because exactly the same principles apply.

The same principle applies to the training of the body.

But in this case those principles did not apply very well.

There must be common systems in which the principles of the market economy apply.

Of course, that principle applies only up to a point.

Does he think that this principle only applies to him?