> For example, you can reflect that all beings have at one time or another been your mother, or your child; realizing this, how can you feel hatred towards any other being?
What's the exact cosmology again?
1. Every being is likely to be your mother
2. Every being has been your mother with certainty (beginningless time)
Buddhist cosmology holds that the cycle of rebirth is endless, so all beings have been your mother and your child at some time in the past, and will be again in the future.
So it's 2.
And for clarity, the view is that time is both beginningless and endless.
What's the exact cosmology again?
1. Every being is likely to be your mother
2. Every being has been your mother with certainty (beginningless time)