Sanda means: Buddhism says that being able to know the past life is the clarity of destiny, knowing the future is the clarity of the heavenly eye, and the ability to cut off worries is the clarity of outflow. The thorough understanding of the three clarities is called the three enlightenments, which refers to the Buddha.
The citations are as follows:
Liang Chenyue of the Southern Dynasties, "Maitreya Buddha Inscription": "Seven treasures are not to be admired, but three are worthy of admiration."
Sui Huiyuan's "Mahayana Principles" Volume 20 of "Chapter": "When such knowledge is exhausted, it is said to be three great things."
According to the record, Sun Liangyong (philosopher and calligrapher), the 24th descendant of the Luoding Liang family, explained: "At that time, the Liang family On their way to escape, the ancestors of the Liang family found three human-shaped floating objects following them from the water as they passed by.
At that time, the ancestors of the Liang family were in awe and thought this was a magical thing. The object must be the incarnation of the god, so he strengthened his belief in continuing to move forward and overcome all difficulties, and made a promise to build a temple for the three holy objects for generations to come.
In addition, the meaning of three reaches. It also contains three meanings: one: delivery and arrival. The ancestors of the Liang family believed that with the escort of this god, they would be able to reach the destination (Luoding, Guangdong) safely.
Two: The meaning of expression and understanding. At that time, the ancestors of the Liang family expressed their kindness to the god for their protection.
The third one: The meaning of optimism and virtue. At that time, the ancestors of the Liang family truly practiced tolerance and kindness. The philosophical sentiments of upholding the truth and benefiting the world and the character of integrity, repaying kindness, advocating morality, and working hard to encourage future generations.