We are propelled by past carma into this life to get the results of that carma. Freedom from cycle of birth and death is called moksha. That is the goal of spiritual life, not only in bedanta, yoga buti in buddha. There's no talk about past lives or future lives if you just say 'overcome suffering', he says.
Swami Sarvapriyananda teaches the Katha Upanishad, which is one of the most popular Upanishads. The scripture concerns the story of a young man who goes to the house of death to find out what happens after death. The reply describes the nature of reality and the meaning of life.