And I agree with the quote, in general.
not loving this world does not mean we neglect our worldly affairs or are not enjoying it. We are allowed to enjoy the blessings from Allah SWT and in fact it is incumbent upon us to be grateful. But we have to be fully aware and realize that this world is not everlasting and is just an illusion and that there is infinitely far greater and real life after this world. This is what is most commonly called as zuhd in islam, which roughly means modesty in the way life is lived.
Unlike other religions, in order to achieve afterlife successes, Islam does not teach to abandon worldly affairs (ascetism) such as what happens with buddhist monks, hindu or christian priests. I think you need to understand that Islam encouraged us to work hard, be productive, have family, build good relationships with neighbors, pay zakat/alms/charity, etc etc. Islam is not against worldly successes and enjoyments as long as they are halal/lawful.