Inspirational Quotes
Words to motivate, inspire, and guide you.
TheoryPracticeGuidancePurpose He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.
TheoryUnderstandingQuantum MechanicsProgressLimitation Because the theory of quantum mechanics could explain all of chemistry and the various properties of substances, it was a tremendous success. But still there was the problem of the interaction of light and matter.
BiographyKnowledgeLearningExperienceTheory Read no history: nothing but biography, for that is life without theory.
PhilosophyTheoryPracticalityRelevance The theoretical understanding of the world, which is the aim of philosophy, is not a matter of great practical importance to animals, or to savages, or even to most civilised men.






