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The purification of the soul is the highest pursuit in life.

The concept of legal validity is crucial for understanding the nature of law.

物理學中的發現之旅不僅僅是尋找答案，更是提出正確的問題。

Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems—but as you approach the present, it inevitably seems more and more incredible.