I think Patience is not only required in Gambling to succeed but they are a very important part of life if you have patience you will be successful in life. Patience is the key to success the more you have patience more you have chances to succeed in life.
Patience is important in life but it is NOT help you in gambling. Because gambling is based on chance be it EV- or EV+ there is no change if you are patient or not. On the other hand trading requires patience and it can help there.
In most aspects of life patience has a positive role but I doubt its role in gambling however you try to bend the truth, the money gambled is considered lost, no matter how patient you are.
So learn to be patient but dont expect that to help your gambling, rather it can help in stopping your gambling habit.