וַיֹּ֣אמֶר שְׁלֹמֹ֔ה אִ֚ם יִהְיֶ֣ה לְבֶן־חַ֔יִל לֹֽא־יִפֹּ֥ל מִשַּׂעֲרָת֖וֹ אָ֑רְצָה וְאִם־רָעָ֥ה תִמָּצֵא־ב֖וֹ וָמֵֽת׃
Salomo ließ ihm sagen, wenn er ein wackrer Mann sein wird, so soll keines von seinen Haaren zur Erde fallen; wenn aber an ihm schlechtes gefunden wird, so stirbt er.
Ralbag
If he shall show himself a worthy man, there shall not a hair of him fall to the earth: This means, "If he will put forth his strength to be a servant of the king and his commands like a worthy man, no harm will come to him for my part." And thus David sent to the men of Jabesh-Gilead, "Now therefore let your hands be strong, and be ye valiant." (2 Samuel 2:7)