In history an additional result is commonly produced by human actions beyond that which they aim at and obtain -- that which they immediately recognize and desire. They gratify their own interest; but something further is thereby accomplished, latent in the actions in question, though not present to their consciousness, and not included in their design.

Summary

This quote suggests that in history, human actions often have unintended consequences that go beyond what individuals consciously aim for or expect. While people may pursue their own self-interest and achieve their desired outcomes, these actions also have hidden effects and implications that they are not aware of or intentionally intend. These additional outcomes may have long-term or indirect consequences, shaping historical events in ways that are not immediately recognized or intended by the people involved.

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