One may have doubts about past lives and future lives, since one only
experiences the present life. However, in the present life we notice that
different people experience different results. These results must have their
causes in the past. The past conditions the present and the deeds we perform
now will bring about their results in the future. In understanding the present
we will be able to know more about the past and the future.
Past, present and future lives are an uninterrupted series of cittas. Each
citta which arises falls away immediately to be succeeded by the next citta.
Cittas do not last, but there isn't any moment without citta. If there were
moments without citta the body would be a dead body. Even when we are
sound asleep there is citta. Each citta which arises falls away but it conditions
the next citta and even so the last citta of this life conditions the first citta of
the next life, the rebirth- consciousness. Thus we see that life goes on and
on. We are moving in a cycle, the cycle of birth and death.
The next citta cannot arise until the previous citta has passed away.
There can be only one citta at a time, but cittas arise and fall away so rapidly
that one has the impression that there can be more than one citta at a time.
We may think that we can see and hear at the same time, but in reality each
of these cittas arises at a different moment. We can verify through our own
experience that seeing is a type of citta which is different from hearing; these
cittas arise because of different conditions and experience different objects.