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Well, Buddhism is not simply a doctrine or belief system that needs to be defended through clinging to its knowledge or the view. The wisdom mentioned here that is acquired through reading, thinking or studying has to be experienced through Vipassana meditation. Unless it is experienced through this way, this knowledge will become just another view among many other views in this world subject to decay and misinterpretations.
There's a seven step purification process in Vipassana where you begin simply from practicing virtue, give up all the wrong views midway and finally end in wisdom.
You go through the entire process similar to using seven relay chariots until you arrive at the destination where each chariot is used only to achieve its designated purpose and then you abandon it without clinging to it; this is explained nicely in Ratha-vinitha sutta.
"... purity in terms of virtue is simply for the sake of purity in terms of mind. Purity in terms of mind is simply for the sake of purity in terms of view. Purity in terms of view is simply for the sake of purity in terms of the overcoming of perplexity. Purity in terms of the overcoming of perplexity is simply for the sake of purity in terms of knowledge & vision of what is & is not the path. Purity in terms of knowledge & vision of what is & is not the path is simply for the sake of purity in terms of knowledge & vision of the way. Purity in terms of knowledge & vision of the way is simply for the sake of purity in terms of knowledge & vision. Purity in terms of knowledge & vision is simply for the sake of total Unbinding through lack of clinging. And it's for the sake of total Unbinding through lack of clinging that the holy life is lived under the Blessed One."
Ratha-vinita Sutta [Thanissaro Bhikkhu]
If the steps are followed properly, then it doesn't become a vicious cycle.