Psalms 73:16

When I thought to know this, it was too painful for me;
— Psalms 73:16, King James Version

In other translations

World English Bible (WEB)

When I tried to understand this, It was too painful for me;

American Standard Version (ASV)

When I thought how I might know this, It was too painful for me;

Young's Literal Translation (YLT)

And I think to know this, Perverseness it <FI>is<Fi> in mine eyes,