The Sutras contain the teachings of Buddha Gautama during 45 years of spreading the Dharma, including basic teachings such as the Four Noble Truths, Dependent Origination, Anatta... They are recorded in the Magadhi language of the Buddha's time, condensed, transmitted by oral tradition, and systematized through the first and second Congresses of sutra compilations...

In the Four Noble Truths, suffering is birth, aging, illness, death, union with what is displeasing, separation from what is pleasing, not getting what one wants; in brief, the five aggregates subject to clinging are suffering, and the Buddha also taught that the way to end suffering is to practice the Noble Eightfold Path: right view, right intention, right speech, right action, right livelihood, right effort, right mindfulness, right concentration...

And what, bhikkhus, is wrong livelihood? Scheming, talking, hinting, belittling, pursuing gain with gain: this is wrong livelihood, ...Here, bhikkhus, a noble disciple abandons wrong livelihood and gains his living by right livelihood: this is right livelihood that is affected by taints…ripening in the acquisitions...

Abstinence from killing living beings, abstinence from taking what is not given, abstinence from misconduct in sensual pleasures: this is right action that is affected by taints…ripening in the acquisitions...

There is what is given and what is offered and what is sacrificed; there is fruit and result of good and bad actions; there is this world and the other world; there is mother and father; there are beings who are reborn spontaneously; there are in the world good and virtuous recluses and brahmins who have realised for themselves by direct knowledge and declare this world and the other world...