曾经的年少懵懂，
热心助人来者不拒，
却在经历过社会的惊涛骇浪以后，
才明白凡事还是先求独善其身，
而后才求兼善天下。
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We used to believe this world is full of kindness,
And yet this world proved us wrong.
So we finally understand that we have to protect ourselves first,
before we can protect everyone else.