Facing the voices in my head

teree soch main
mairee soch main
zameen o aasman ka farq main hai
tu to falaq main hai
aur main sirf uraan per
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this line kept on repeating in my head back and forth, im not good in urdu and dont even know if it correctly written or if it makes sense. I wrote this because I once made a nano second pact that if even once I think I cant do something or its not good enuff I am going to tell myself that I can to see how tru are my fears and how true are those voices in my head that keep on telling me i CANT do it.