The Cow - 2:272
It is not for you to guide them to the truth. But Allah guides whom He wills. Whatever good you do to the needy is for your own benefit. Your charity should be for Allah alone. Whatever good you do will be repaid to you in full. You will not be wronged.
What is the right way?
Explained in Detail/41:30
"The angels descend upon those who follow the right path after saying: "Our Lord is Allah": "Fear not, grieve not, and rejoice in Paradise to which you are invited."
Mary/19:36
Allah is my Lord and your Lord; serve Him. This is the right way.
Yaseen/36:60
O children of Adam, did I not take a promise from you that you would not serve Satan? He is your open enemy.
Yaseen/36:61
Serve Me. This is the most right way.
The Family Of Imran/3:51
"Allah is my Lord and your Lord; serve Him. This is the right way."
The Ornaments of Gold/43:61
He (Jesus) is a source of knowledge and a sign about the Hour. So do not doubt about it (the Hour) and follow me. That is the right way.
The Ornaments of Gold/43:64
Allah is my Lord and your Lord, and to Him alone you should serve. This is the straight path.