I've started learning quantum Mechanics from " Griffiths " book and finished chapter one , but the problem is i feel most of what i'm doing is mathematics , for example he solved the problem of unstable particle by introducing the complex potential energy , when i looked up at the answers here it speaks about things like " Hamilton operator " which i does not know yet , another example he said if you want to find the average of any value remove (P) and put its operator and sandwich the resulting operator between Epsi and its conjugate he even treated the partial derivative squared as a second order derivative he said you will understand how it is like that later , so will the concepts will be bright in later chapter or it is me who to blame ?
closed as primarily opinion-based by Brandon Enright, Waffle's Crazy Peanut, Wolphram jonny, Kyle Kanos, JamalS Dec 16 '14 at 6:50
Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on opinions, rather than facts, references, or specific expertise. If this question can be reworded to fit the rules in the help center, please edit the question.
I think it would be better for you to learn more about classical mechanics first. From your question I conclude that the only approach to mechanic you know is Newtonian mechanics. Get a book about analytical mechanics, there you will be introduced to canonical coordinates, Lagrangian mechanics and Hamiltonian mechanics.
Well.. If you want to learn quantum mechanics, I suggest first to learn the "old quantum mechanics". And then you can go to "real" Quantum Mechanics.
I suggest "Fundamentals of Modern Physics" by Robert Martin Eisberg. It will introduce you with all you need to know, before going to Quantum Mechanics of Griffiths.