????You can't get to heaven just by doing good deeds, Dharma Outline 2-4 你不能只因行善而升天堂, 佛法修學概要

(English Subtitles) Lectured by Master Jìng Jiè (淨界法師) from Taiwan.
Subtitles:
[30] How did the Buddha come to this world?
How did the Buddha come to the world? Based on the pure Dharmakaya, the Buddha manifested himself attaining buddhahood in countless worlds simultaneously.
There are two ways for Buddha to ferry sentient beings:
The first is that Buddha creates a pure land and then takes sentient beings to the pure land. For example, this is the approach taken by Amitabha Buddha. He first created a pure land, put forward some conditions on how one could be reborn there, and then led all living beings to the pure land and taught them slowly. This is attaining buddhahood in the Pure Land, this is the first type.
The second type is attaining buddhahood in the impure land, which is very difficult. For example, the approach taken by Sakyamuni Buddha was this.
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The Sakyamuni Buddha came to the human world to accompany us in reincarnation. He also experienced the process of birth, aging, sickness and death, and also the process of marrying a wife. We will see later that the Buddha demonstrated the so-called eight phases of enlightenment. Then, during his growth process, the Buddha preached his teachings to make us awakened. This is what we need to know. He did not come here out of his karma, but out of his volition. When the good roots of sentient beings mature, the Buddha transforms himself from his Dharmakaya into an incarnation to accompany us in our growth. During the growth process, the Buddha spoke out his teachings and then recorded them for future generations.
[31] Why did the Buddha manifest the phase of entering the fetus?
This is in general. Let's look at the detailed description, which has eight paragraphs.
Let's look at the first phase - enter the womb. When the Buddha was born, he certainly had a father and a mother for manifestation.
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Why did the Buddha need parents? In fact, theoretically, when Buddha came to the world, he did not need parents because he did not have that karma. Without karma, there would be no need for conception.
Then someone asked the patriarch: Why did the Buddha have to be born? Why did he have to marry? It's because, if the Buddha had not been born from a mother's womb, there would be a serious problem, that is, the Buddha is not a normal person. If the Buddha ran out of the stone, we would think that he was different from us. We would question: Can we do the dharma what he said? If he did not accompany us in the process of coming out of the womb with empathy, we would doubt his Dharma
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and say this Dharma is too profound to achieve for us. Therefore, the Buddha must abide by the rules of the cycle of reincarnation of mortal people and still have a father and mother, because he wants to inform us that he is as mortal as we are. When he was a mortal in the beginning, he also came from this process, and his mind was inverted. Later, after he learned Buddhism, and light appeared, he made some changes in his life. Therefore, the Buddha must have a father and a mother. This tells us that his process is the same as ours, and he has also been reincarnated before. His father was King Suddhodana and his mother was Queen Maya. Ordinary people need to enter the womb, but they can do nothing during the ten months in the womb. But when the Buddha was in the mother's womb of Mrs. Maya,
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he was apparently residing in the mother's womb, but at the same time he was preaching to the sentient beings in Tushita Heaven. Before he was born, he did not just stay idly in his mother's womb. Meanwhile, he was in the Tushita Heaven, preaching the Dharma to many celestials and bodhisattvas. When the conditions for his entry into the womb were ripe, he left the Tushita Heaven and descended into his mother's womb, truly emerging from the womb.
Why did he stay in the Tushita Heaven while residing in the womb? Let me explain. Because the Desire Realm Heaven is too indulgent. The lower heavens of the Desire Realm - the Four Heavenly Kings, the Yama Heaven, and the Trayastrimsa Heaven - are all too indulgent.
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The two upper heavens, the realm of form，and the realm of formlessness - are too arrogant because of their profound meditation, they are difficult to teach or reform. Among the celestials in the three realms, only the Tushita Heaven is slightly better. They do not have the lusts of the lower heavens, nor are they like the upper heavens, who are pure but too conceited. So Tushita Heaven is relatively better. Among the thousand Buddhas of the Kalpa of Virtue, our Sakyamuni Buddha is the fourth of them, right? They are waiting in the Tushita Heaven to descend into the divine mother’s womb. That’s the meaning, because Tushita Heaven is relatively better.
【32】In what era was the Buddha born?
Let's look at the birth phase. According to the Theravada school of Southern Buddhism, Sakyamuni Buddha was born in 623 BC. The five hundred years from 200 to 700 BC.