I shall summarise all my doubts here:
1. I have posted this doubt as a separate post, so this is
a just a re-cap. How should we interpret Ksitigarbha Bodhisattva's
vows not to achieve Buddhahood until hell is empty?
1.1 Literally or figuratively? Is it a mere analogy,
encouragment or reassurance of a superficial nature?
1.2 Ksitgarbha Bodhisattvas has already gone through many
countless aeons since he made that vow and started guiding and
delivering sentient beings. So long that he could have
attained Buddhahood long ago. This is mentioned clearly by
Sakayamuni Buddha. [Most of us know Bodhisattvas need to go
through at least 3 great asamkyeya kalpas
(三大阿僧祗劫) to attain Buddhahood]
Many Destruction eras had passed while the Bodhisattva is
working hard on his cultivation and implementation of his
vows. So this means there were countless periods where hells
were destroyed in some worlds, but still existed in others. So
hell beings in worlds experiencing the Destruction era would be
reborn to suffer in the other worlds which do not have Destruction
era yet. So hell in general had not once really been
empty of suffering beings.
Why particularly the 20th small kalpa of our present Destruction
era for total and complete liberation to occur for all samsaric
beings in all ten directions?
Can I safely assume the vows cover all beings in all
ten directions, from past, present and future?
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AEN:
Ksitigarbha Bodhisattva's vows are not only real/literal but
achievable. If it is not achievable then he wouldn't have phrased
it that way. Everyone's Buddha Nature is complete, everyone will
attain Buddhahood eventually, Ksitigarbha Bodhisattva will also
attain Buddhahood eventually.
If I'm not wrong, Ksitigarbha Bodhisattva's is working in this
world system. In fact Sinweiy has said something like after
Shakyamuni's dharma disappeared, and before Maitreya attains
Buddhahood, in this period Ksitigarbha is our world's
'representative' of dharma, something like that.
Hence, when the hell beings have become liberated in our world,
Ksitigarbha attains Buddhahood.
I think there are other Bodhisattvas like Ksitigarbha helping
other world systems.
2. There are countless Bodhisattvas and Buddhas in all ten
directions; each Bodhisattva and Buddhas can have countless
manifestations and their vows to save sentient beings are
essentially the same as Ksitigarbha Bodhisattva, for compassion and
wisdom is common for all of them.
2.1 So why is Sakayamuni Buddha praising Ksitigarbha
Bodhisattva so much? Why is he encouraging us to seek refuge in the
Bodhisattva? (To recite his name, cultivate his virtues, etc) Other
Bodhisattvas are just as well-qualified to help us, isn't it? For
example, Avalokitesvara Bodhisattva (观世音菩萨).
2.2 What have the other Bodhisattvas and Buddhas from
all worlds and directions been doing during this period where
Ksitigarbha Bodhisattva is implementing his vows? Is it just to
wait or to look at us suffer? Is it just to teach dharma to the
Bodhisattvas, arahants and heavenly beings?
If one Bodhisattva can have countless manifestations to teach
countless beings in countless worlds in all ten directions from
past/present/future, imagine what countless Bodhisattvas and
Buddhas in all worlds and directions can do if they choose to
appear in countless manifestations like Ksitigarbha Bodhisattva?
Totally inconceivable! No sentient being would be lost, no sentient
being would have to suffer for aeons in the 3 evil realms
anymore.
Shakyamuni Buddha never praised Ksitigarbha Bodhisattva alone,
he also told us to recite, cultivate the virtues of Avalokitesvara
(see Lotus Sutra) and others. All the great Bodhisattvas in
Mahayana are representative of a particular Bodhisattva quality we
should follow.
Next is, every Bodhisattva will have their own vows. When they
attain Buddhahood it is also different, due to their previous
vows... like Amitabha vowed to make Sukhavati pure land, Shakyamuni
vowed that his pure land is right here in samsara. They all have
their own vows to help liberate sentient beings.
Another point you must take note is, even if the Buddhas or
Bodhisattvas manifest to everyone, it is not going to be much help
if there is no 'yuan'... if you teach dharma to someone who doesn't
have 'yuan', he won't listen or benefit.
3. We have been taught in the sutra or teach others using the
sutra to practise filial piety, to show eternal gratefulness and
heartfelt appreciation towards our parents. But we have also
been parents in our countless rebirths, and some of our children
could be our parents now.
3.1 If any of our children has attained enlightment, sainthood
or even reborn as heavenly beings, they should/would have
wanted very much to help us to be happy too. But yet we fall and
fall for aeons without really having anyone compassionate and
patient enough to guide us for countless lifetimes till we attained
liberation like what Ksitigarbha or Sakayamuni Buddha does for
everyone. Why? How can this happen?
3.2 We often have to dedicate merits to all beings after doing
any good deed, having good thoughts or reciting sutras, etc,
and we are taught that our parents should be the
first and main recipients of our merits. But is there any positive
effect from our dedication?
If my sons/daughers from previous lifetimes are
now Buddhists, born in this Dharma-ending age and he/she
dedicates merits to all parents from countless
lifetimes, then presumably all parents, including me should be able
to receive the merit and benefit greatly from it. But do you feel
anything? Do you see any change in you?
As such I am very lost and doubtful as to what role does
merit dedication (回向) really play and what real benefits does
it reap for all beings.
It certainly can help. But how do you know your children has
become Buddhist and dedicate merits? These kind of things are
difficult to know.
You won't know if your children in past lives has become
Buddhists and dedicate merits for you. How would you know? Unless
you have psychic powers. But dedication of merits is real.
Anyway as for your 3.1, you don't need children who have
attained enlightenment to guide you... any enlightened beings if he
has 'yuan' with you can help you, no need to be your children in
recent lifetimes.