What is the correct pronunciation and how to explain it?

What is the correct pronunciation and how to explain it?


Read four
That is to say, if you know, you will know. If you don't know, you won't know. This is the most intelligent way



Knowing is knowing, not knowing is not knowing, is also knowing


Know is know, don't know is don't know, this is wisdom



What's the meaning of "know" in "know also"?


Wisdom, wisdom