The Noble Truths and Eightfold path are the essence of Buddha's teachings.
The Noble Truths are -
(1) The world is full of sorrow and suffering.
(2) Desire is the root cause of sorrow.
(3) Only by liberation from desires a peaceful life is possible.
(4) Desire can be overcome by following the Eight fold .path.
The Eight fold path was preached by Buddha for eliminating desires. This is also called the middle path. It included - Right (1) Action, (2) Speech, (3) Vision, (4) Livelihood, (5) Effort, (6) Recollection, (7) Resolve, (8) Thought.