Ecclesiastes 12:11-13

Complete Jewish Bible

¹¹ The sayings of the wise are as sharp as goads, and those given by leaders of assemblies are like well-fixed nails; [in this case,] they are presented by a single shepherd. ¹² In addition, my son, take heed: one can write many books — there’s no end to it; and one can study so much that it wearies the flesh.

¹³ Here is the final conclusion, now that you have heard everything: fear God, and keep his mitzvot; this is what being human is all about.