计算效率的概念是学习算法设计的核心。

Zombies are conceivable, and that tells us something important about consciousness.

Three passions， simple but overwhelmingly strong， have governed my life: the longing for love， the search for knowledge， and unbearable pity for the suffering of mankind.

世界如此不快乐是因为它对真实的自我无知。人的真正本性是幸福的。幸福是与生俱来的在真实的自我中。人对幸福的追求是对他真实自我的无意识的追求。

赏析：通过忘记脚、忘记腰、忘记是非纠纷来说明内心的舒适和自在，强调了要放下杂念和纷争，保持内心的平静。