Do good:
Avoid evil:
And purify the mind.
He gave eight guidelines to help us to live i this way., and together they are called the Noble Eightfold Path. He advised people to speak and act and earn their living in good ways. He also advised them to practise meditation to purify their minds. Then they can get deep wisdom (Panya in Thai).
When people go to the temples on Asaha Puja Day and when they ordain as monks, novices or nuns, they try to live by the Noble Eightfold Path.