All this have I proved in wisdom: I said, I will be wise; but it was far from me.
All this have I proved by wisdom: I said, I will be wise; but it was far from me.
All this have I tried and proved by wisdom. I said, I will be wise [independently of God]–but it was far from me.
I tested all of this by wisdom. I thought, I will be wise, but it eluded me.
For your conscience knows that you, too, have repeatedly spoken evil of others.
For thy conscience knoweth that thou also hast often spoken evil of others.