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.
How do I integrate spirituality into my everyday life? Throw out the concept of "spiritual life" and "everyday life." There is only life, undivided and whole.
The Universe forces those who live in it to understand it. Those creatures who find everyday experience a muddled jumble of events with no predictability, no regularity, are in grave peril. The Universe belongs to those who, at least to some degree, have figured it out.
What is important is to see how we can best lead a meaningful everyday life, how we can bring about peace and harmony in our minds, how we can help contribute to society.
You are too young to know how the world changes everyday,' said Mrs Creakle, 'and how the people in it pass away. But we all have to learn it, David; some of us when we are young, some of us when we are old, some of us at all times in our lives.
I want to start two institutions, one in Madras and one in Calcutta, to carry out my plan; and that plan briefly is to bring the Vedantic ideals into the everyday practical life of the saint or the sinner, of the sage or the ignoramus, of the Brahmin or the Pariah.
How many people are trapped in their everyday habits: part numb, part frightened, part indifferent? To have a better life we must keep choosing how we are living.