The Four noble truths
The Four Noble Truths are what led the Buddha to reaching enlightenment. The first is the awareness that there is suffering in the world. The second is the awareness that the suffering is caused by desire. The third is that the only way to end suffering is to end desire. And the fourth states that the only way to end desire is to follow the Eightfold Path.
the eightfold path
The Eightfold Path is the path that is required to be followed if you want to reach enlightenment. The path ahas eight parts: right view, right intentions, right speech, right action, right livelihood, right effort, right mindfulness, and right concentration. The right view means seeing the world as it is and not as you would like it to be. Right intentions means meaning not to harm anyone or take away their freedom. Right speech menas speaking in a non hurtful way. Right actions and right livelihood means acting and earning a living in a non harmful way. Right effort means to make and effort to improve, Right mindfulness means approaching and taking on the world putting stress aside, and right concentration means performing the correct mediation and having the correct focus.