Vasubandhu, the co-founder of Yogachara Buddhism, played a significant role in shaping the beliefs and practices of this school of thought. Yogachara, also known as the "Yoga Practice" or "Consciousness-Only" school, emphasizes the role of the mind and consciousness in understanding reality. In this context, the concepts of karma and rebirth hold a crucial place in Yogachara Buddhism, as they are closely linked to the understanding of the mind and its workings.

According to Vasubandhu, karma refers to the actions and intentions that shape one's present and future experiences. These actions are not limited to physical deeds but also include thoughts and emotions. In Yogachara Buddhism, karma is seen as a mental phenomenon, arising from the seeds of past actions stored in the mind. These seeds or imprints, known as bijas, influence an individual's thoughts, perceptions, and experiences.

The concept of rebirth in Yogachara Buddhism is closely related to the idea of karma. According to this school of thought, rebirth is not a literal reincarnation of an individual's consciousness into another body after death. Instead, it is seen as a continual process of the mind creating new experiences based on the seeds of karma. The mind, in this sense, is seen as a continuum that carries the imprints of past actions and continues to generate new experiences in the present and future.

Vasubandhu also emphasized the role of the Alaya-vijnana, or the storehouse consciousness, in the process of rebirth. This consciousness is seen as the repository of all the seeds of karma, which are constantly being activated and giving rise to new experiences. However, in Yogachara Buddhism, the ultimate goal is to transcend this cycle of rebirth and attain liberation from suffering.

The understanding of karma and rebirth in Yogachara Buddhism also has implications for the practice of meditation and mindfulness. As one becomes aware of the workings of the mind and the role of karma in shaping one's experiences, it becomes possible to cultivate positive intentions and actions, leading to a more positive future. This is known as the practice of "mindfulness of karma" in Yogachara Buddhism.

In conclusion, the teachings of Vasubandhu in Yogachara Buddhism highlight the central role of karma and rebirth in understanding the mind and its relationship to reality. The concept of karma emphasizes the importance of intentions and actions in shaping one's experiences, while rebirth is seen as a continual process of the mind creating new experiences based on the seeds of karma. By understanding and cultivating positive karma, one can ultimately transcend the cycle of rebirth and attain liberation from suffering.