Question about how to understand past lifes.

Does it say anything in the vedas about how we can detect past lifes? One thing is mind and memory but do the vedas say anything about some sort of light that is realizing the external reality of a child into what happend to it in the past? There is a quote about that everything will be shown in the light by christ, why not our past as well?

Yes, dharmasastras describe

Yes, dharmasastras describe specific reactions to specific actions.

Read Bhagavadgita ch. 2 to understand the position of jiva. Ch. 15 speaks about Paramatma, the witness in the heart.

main objections against reincarnation with answers:
http://www.veda.harekrsna.cz/encyclopedia/reincarnation.htm

Hari Hari
ys Jan