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The only thing I'm sure of is that I know nothing.

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

I don’t let anyone define me.

Rent is that portion of the produce of the earth which is paid to the landlord for the use of the original and indestructible powers of the soil.

我不在乎名聲，我在乎藝術。

信息鴻溝比財富鴻溝更難跨越。

采礦業必須在不影響效率的情況下發展以滿足可持續發展的需求。