The whole foundation of meditation is to make you so alert that you can see the forming of seeds and desires and drop them. If you can die without a seed ... If you die in a half-hearted way, not totally, with something incomplete, with something you wanted to do and death has come in between -- then you cannot expect to disappear into the universal. Then the flame will take another home, according to your desires, your reincarnations. Meditation simply means to drop, slowly slowly, all your desires. And when death comes, celebrate it; celebrate it because everything is complete and you are ready. This readiness and completeness will give you the ultimate freedom of formlessness. That formlessness is nirvana.

Dogen, the Zen Master: A Search and a Fulfillment
Chapter #2
Chapter title: Firewood and ash

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