Once you understand the principles involved, what remains is just a question of engineering.

It was not the machine he cared about but the mathematical principles involved.

Extreme opinions are taken up - which is not easy to understand when you consider the principles involved.

By this point, I more or less understood the principles involved.

We make decisions about website design, product quality, environmental impact and yes, copyright law, all without understanding the basic principles involved.

Whatever the principle involved, the child's education is getting screwed.

Then perhaps we shall see the principles involved and be able to state a general solution which will answer all our questions about economics.

I made a bad job of it, but he seemed to catch the principle involved.

This principle involves teaching parents to be their children's first teacher.

I recognized the principle involved, and fully support the need to protect the interests of my fellow players.