English Standard Version
I said in my heart, “I have acquired great wisdom, surpassing all who were over Jerusalem before me, and my heart has had great experience of wisdom and knowledge.”

American Standard Version
I communed with mine own heart, saying, Lo, I have gotten me great wisdom above all that were before me in Jerusalem; yea, my heart hath had great experience of wisdom and knowledge.

Berean Study Bible
I said to myself, “Behold, I have grown and increased in wisdom beyond all those before me who were over Jerusalem, and my mind has observed a wealth of wisdom and knowledge.”

Douay-Rheims Bible
I have spoken in my heart, saying: Behold I am become great, and have gone beyond all in wisdom, that were before me in Jerusalem: and my mind hath contemplated many things wisely, and I have learned.

English Revised Version
I communed with mine own heart, saying, Lo, I have gotten me great wisdom above all that were before me in Jerusalem: yea, my heart hath had great experience of wisdom and knowledge.

King James Bible
I communed with mine own heart, saying, Lo, I am come to great estate, and have gotten more wisdom than all they that have been before me in Jerusalem: yea, my heart had great experience of wisdom and knowledge.

World English Bible
I said to myself, "Behold, I have obtained for myself great wisdom above all who were before me in Jerusalem. Yes, my heart has had great experience of wisdom and knowledge."

Young's Literal Translation
I -- I spake with my heart, saying, 'I, lo, I have magnified and added wisdom above every one who hath been before me at Jerusalem, and my heart hath seen abundantly wisdom and knowledge.

Ecclesiastes 1:16 Additional Translations ...