What is Islam saying about the Dunya, and what should be the intention as well as goal of a worshipper of Allah?

I would like to ask about all the authentic ahadith and verses from the Qu'ran (if possible) regarding the Dunya/Akhira (this world/hereafter), about wealth and its values/benefits in Islam. **—** Can someone share the collection of the knowledge (ahadith/ayat) in this regard? And, imagine someone worships Allah with the intention to achieve success in this world with a little consciousness of the hereafter, meaning that since the materialistic world is now the utmost reality (*family issues, financial issues, marriage life, calamities*) to him rather than the promise of Allah (*because he may be overwhelmed by the hardships that he has gone through or perhaps he wants now to become successful in this life also*), so he prioritises this world over the hereafter. **—** So what has Islam taught us to do concerning this whole matter? Or can you elaborate this issue with authentic evidence? I ask Allah to guide me and everybody around me, and to grant us the level of the righteous slaves of Him.