sentence1: I applied my heart to seek and to search out by wisdom concerning all that is done under the sky. It is a heavy burden that God has given to the sons of men to be afflicted with.
sentence2: וְנָתַ֣תִּי אֶת־לִבִּ֗י לִדְר֤וֹשׁ וְלָתוּר֙ בַּֽחָכְמָ֔ה עַ֛ל כָּל־אֲשֶׁ֥ר נַעֲשָׂ֖ה תַּ֣חַת הַשָּׁמָ֑יִם ה֣וּא ׀ עִנְיַ֣ן רָ֗ע נָתַ֧ן אֱלֹהִ֛ים לִבְנֵ֥י הָאָדָ֖ם לַעֲנ֥וֹת בּֽוֹ׃