Bhagavad Gita Ch. 9 “Yoga of Royal Knowledge & Royal Secret” Verses 19_20_and 21
The lecture discusses the futility of expecting permanent happiness by fulfilling desires no matter how noble the desires are. Once the existing desires are fulfilled, you must start working to fulfill new desires created in the process.
Moksharthi - Please visit YouTube for Bhajans by Neil Bhatt - https://www.youtube.com/playlist?list=PL8jOW56VdfinQGoaP3cRFi-lSBfxjflJE