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To be what we are, and to become what we are capable of becoming, is the only end of life.

Good science requires patience and persistence.

失去的痛苦是我們?yōu)閻鄣南矏偹冻龅拇鷥r(jià)。

Everything is in motion.

Never underestimate the power of hard work and perseverance.

You are never too old to set another goal or to dream a new dream.