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信任是礦業中最寶貴的資源，比任何礦物都更難獲得。

He walked out in the gray light and stood and he saw for a brief moment the absolute truth of the world. The cold relentless circling of the intestate earth. Darkness implacable. The blind dogs of the sun in their running. The crushing black vacuum of the universe. And somewhere two hunted animals trembling like ground-foxes in their cover. Borrowed time and borrowed world and borrowed eyes with which to sorrow it.

如果你不偶爾失敗，說明你不夠努力。

To solve complex problems, we must first understand the systems that create them.

衣服和食物不是天上掉下來的,是通過辛勤勞動換來的。