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To every action there is always opposed an equal reaction； or， the mutual actions of two bodies upon each other are always equal， and directed to contrary parts.

過去總是由現(xiàn)在構(gòu)建的。

All language is but a poor translation.

你能做的最偉大的投資就是投資自己。

The highest manifestation of life consists in this: that a being governs its own actions. A thing which is always subject to the direction of another is somewhat of a dead thing.