• Certainly we do not need quantum mechanics for macroscopic objects, which are well described by classical physics - this is the reason why quantum mechanics seems so foreign to our everyday existence.

    Alain Aspect: Certainly we do not need quantum mechanics for macroscopic objects, which are well described by classical physics - this is the reason why quantum mechanics seems so foreign to our everyday existence.
    "Speakable and Unspeakable in Quantum Mechanics: Collected Papers on Quantum Philosophy". Book by J. S. Bell, 2004.