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That comment of mine was base on my experience and I don't want to pursue more if I can see that the hand that I have for that specific round won't be favourable to me. You have the option to fold or not but if you're eager and determined that your hand is kinda strong, you can go and depend on luck.
Just two days ago, after I posted that reply to your post, I was talking to two long time poker players, both online and in land based casinos. When I told them that luck is a major factor, they disagreed, both of them, saying that your skills is what makes you to win in poker. We had talked for more than an hour on the subject, and we came to conclusion that where you really need skills is in bluffing and in recognizing bluffing. I wasn't convinced completely, I mean I still think that luck is what makes you win in most cases. But I agree that skills can't be ignored in poker, as they can (and should be ignored in dice or roulette, for example), and in the long run a skillful player has more chances of winning more frequently.