Every answer given to any question about life will invoke a new question.
The nature of reality is not dependent on our musings about it; your heart will keep beating regardless of what it's called.
Conversation
This is the essence of Zen practice: the student tries to come up with an answer for the true nature of life that fits his system of reasoning, and the master hits him with his stick to nudge him into experiencing reality rather than keeping him in the cycle of abstraction.
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After all, what truer nature could life have but experience?