Answer: After drinking alcohol, the brain's nerves are anesthetized, the functioning power of the five sense faculties is weakened, the discriminating power of the six consciousnesses that arise is weakened, and the mind consciousness's power of thinking is weakened. In this way, these six scouts cannot investigate the objects of the six sense-objects as they truly are; the manas has cut off or half cut off the source of information, and the mind consciousness's role as an advisor is no longer of much use. At this time, everything relies on the manas's own wisdom, and the inherent nature and qualities of the manas are fully revealed.
"In wine there is truth"—the words spoken after drinking are entirely the voice of that person's manas, the person's genuine thoughts, without the concealment and falsification of the mind consciousness. What people commonly call "wine character" and "personal character" refers to the moral qualities of the manas; this is a person's original countenance.
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