By samyama knowledge of time of death
3.23. Sopakramam nirupakramam cha karma tatsamyamadaparantajnanamapyaristebhyo va|
- Sopakramam-the karma which activity
- Nirupakramam-the karma that is dormant
- Samyamad-by performing samyama
- Aristebhyah-by omens
Karma is of two types, active and dormant. By applying samyama on them knowledge of death is gained, also by omens.