It would not take them long to understand at least the elementary principles of those things which they affect to despise, and even to have some clue to the rudiments might give them an inkling into the enormous skill, patience and ingenuity which lie behind the practical application of physical science. (religion-online.org)
In reality, when you get right down the physics and scientific principle of the thing, you're sending several tons of metal alloys hurtling through space at high speed, and whatever it hits is going to be in a bad way. (drive-safely.net)
We're doing it more for the principle of the thing.» (fortune.com)