The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.

译文：(这梨花)恰似姑射山上的仙子，天生丽质，风姿灵秀，气质高洁不凡。世间万物变化万千，可又有谁能想到，它竟不与百花为伍，独具一格。

Economic research should aim to inform real-world decision-making.