To live happily is an inward power of the soul. -Aristotle.

Happiness is the meaning and the purpose of life, the whole aim and end of human existence.

Being happy doesn't mean that everything is perfect. It means that you've decided to look beyond the imperfections.

Happiness is activity.

Happiness does not lie in amusement; it would be strange if one were to take trouble and suffer hardship all one's life in order to amuse oneself

Happiness depends upon ourselves.