maya = illusion
kosha = sheath
假设我们把人赖以存在的能量结构比喻成一颗洋葱，从内到外共五层，其内容分别如下
1. Anandamaya Kosha: pure bliss -- encompassing atman, the soul
2. Vijnanamaya Kosha: higher knowledge -- to be felt in the flash of genius, the spark of genius
3. Manomaya Kosha: mind -- including intellect, memories, concepts and reasoning
4. Pranamaya Kosha: vital energy -- activating the body, motivating the mind
5. Annamaya Kosha: food -- supporting the physical body
Slumdog Millionaire 一片用一个quiz show的装置清晰的解剖了一颗洋葱，着重彰显了洋葱第二层的运作方式
