شَبَابَكَ قَبْلَ هَرَمِكَ urges the use of youthful capacity, while صِحَّتَكَ قَبْلَ سَقَمِكَ reminds us that health is not guaranteed forever. The suffix كَ in these expressions refers to “your” (singular masculine addressee).
Example 1: A healthy student allocates regular time for learning and necessary physical duties.
Example 2: They protect their ability through rest and reasonable precautions rather than exhausting themselves needlessly.
The advice does not diminish the worth of older or ill people. It teaches the responsible use of the abilities one currently possesses.