Early life Siddhartha Gautama was born to a king. His parents took him to a prophet who said he would either live a life of royalty or of holiness. His father led him into the life of royalty from a young age.
Teenage years Siddhartha Gautama was raised in the kingdom his whole life without ever seeing the outside world. Siddhartha was naïve to the sufferings in the real world.
Experiencing the real world. During Siddhartha's first time outside of the caste he accidentally witnessed sick and dying people for the first time in his life. This caused him to go into a deep depression.
Response to the real world Siddhartha abandoned his life of luxury and began his journey, studying with countless gurus. He chose a lifestyle of suffering, hoping to attain wisdom. When his efforts failed he went even further, refusing food and water until he was nearly dead.
Siddhartha's realization Siddhartha Gautama realized that suffering isn't the key to happiness. Happiness relies on a balance between health and suffering. After several weeks meditating Siddhartha had an epiphany and came up with the four core beliefs of Buddhism.
Four noble truths of Buddhism 1) Life is inevitably suffering.2) Suffering is caused by greed and craving.3) Suffering can be overcome, and true happiness is possible4) The noble eight fold path is the key to end your suffering.