An example of nirvana is how people feel after meditating for hours.
An example of nirvana is heaven.
Nirvana is constantly defined in them as supreme happiness.
He had attained to Nirvana, had become clear in his mind, a Buddha, an Enlightened One.
This opinion is, no doubt, due to a comparison with the Buddhist doctrine of nirvana.
Since I was twenty-nine years old till now I have striven after pure and perfect wisdom, and following the good path, have found Nirvana."