According to the teachings of the Buddha, the highest goal that mankind can aspire to is enlightenment, also known as nirvana.
Nirvana is a state of complete liberation and freedom from suffering and is achieved through the realization of the true nature of reality.
The Buddha taught that the root of suffering is ignorance and the thirst for external things and that the way to end suffering is to cultivate understanding and wisdom through the practice of mindfulness, ethical conduct, and mental cultivation.
By gaining insight into the impermanent and interconnected nature of all things, one can let go of craving and attachment and find lasting peace and happiness.