expression
in this way; along these lines; similarly
A formal or literary expression used to introduce a statement that follows from what was just said, similar to 'thus' or 'in this manner'. Often used in writing or speeches.
かく言う私も、同じ経験をしたことがあります。
In this way, I myself have had the same experience.
かく言う彼は、その計画に反対だった。
Thus, he was opposed to the plan.
From the classical adverb かく (thus) + 言う (to say). The phrase literally means 'speaking thus' and is used as a fixed expression.