to be exercised , 21_ECC_01:13 And I gave my heart to seek and search out by wisdom concerning all [things] that are done under heaven: this sore travail hath God given to the sons of man to be exercised therewith. , to be exercised , 21_ECC_03:10 I have seen the travail, which God hath given to the sons of men to be exercised in it. ,