"Books so special and rare and yours that advertising your affection feels like a betrayal."
In the realm of quantum mechanics, the observer and the observed are inextricably linked, challenging our classical notions of reality.
人生之道不要繁杂，繁杂就会头绪众多，就会困扰，就会带来忧患，这样，就不能保持自心清净，更谈不上救济世道人心了。