The Recollections of Socrates, on the other hand, derive their principal value from being uniformly matter-of-fact.
The principal value of the individual life is its service to other life.
As the principal value of guano consists of the ammonia and phosphates, it is easily calculated.
The principal value of holly is not in its wood, but in its leaves and berries.
This description strongly presents to us the principal value of the discovery of Pompeii.
They of course derive their principal value from the names to which they are attached.
The principal value of cavalry is derived from its rapidity and ease of motion.
According to Dr Pereira, its principal value is that of an anti-spasmodic.
This, perhaps, is its principal value, since the mind reasons instinctively without knowing how it reasons.
The kernel is an article of food, but its principal value comes from the oil made from it after it has been dried.