"It is through the use of logic and of precise, careful measurement that we become aware of our progress. Without such tools, we have no reference points to indicate how far we have advanced or retreated."
通过逻辑和精确仔细的衡量，我们得以明白自己的进步。如果没有这些手段，我们就没有参考来了解我们进步了多少或者退步了多少。
In certain endeavors, quantitative measurements and logical analysis of data are essential for us to determine whether and to what extent we are progressing or regressing. However, in other realms, objective data provides little guidance for determining progress.
1. As for monitoring individual progress, the extent to which careful measurement and logical analysis of data are required depends on the specific endeavor. In the area of personal finance, objective measurements are critical.
2. In the area of one’s physical well-being, however, quantitative measurement might be useful yet insufficient.
3. On a societal level, as on a personal level, the extent to which careful measurement and logic are needed to determine progress also depends on the endeavor. In macroeconomics, as in personal finance, objective measurements are critical.
4. In contrast, socio-political progress is less susceptible to objective measurement.
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