"When I was a young man, near the beginning of my life, I looked around with true mindfulness and saw that all things are subject to decay."

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Thus all things are subject to death, sorrow and suffering. I became aware that I too was of the same nature, the nature of beginning and end. What if I searched for that which underlies all creation, that which is nirvana, the perfect freedom from unconditioned existence?

— Gautama Buddha