Sentence Examples with the word undefinable

Freedom, apart from necessity, that is, apart from the laws of reason that define it, differs in no way from gravitation, or heat, or the force that makes things grow; for reason, it is only a momentary undefinable sensation of life.

And as the undefinable essence of the force moving the heavenly bodies, the undefinable essence of the forces of heat and electricity, or of chemical affinity, or of the vital force, forms the content of astronomy, physics, chemistry, botany, zoology, and so on, just in the same way does the force of free will form the content of history.