“That virtue was sufficient of herself for happiness.”

“Justice is happiness according to virtue.”

“She described herself as happy. This diagnosis did not come from any welling up of joy inside herself. It came from the observed fact, looking at herself objectively, that whenever she decided she wanted something she always got it, and what other definition of happiness could there be?”

“No one can be happy without virtue.”
Beatus autem esse sine virtute nemo potest

“For Socrates, virtue was nothing but its own pursuit. And only the promise of happiness is happiness itself.”

“She's private to herself and best of knowledge
Whom she'll make so happy as to sigh for.”

“A deed happens in a definite place at a definite time, but if it be sufficiently great and pregnant, its virtue radiates everywhere in time and space.”

“That is the secret of happiness and virtue -- liking what you've got to do.”

“Happiness is not the reward of virtue, but is virtue itself; nor do we delight in happiness because we restrain from our lusts; but on the contrary, because we delight in it, therefore we are able to restrain them.”

“A man or woman is seldom happy unless he or she is sustaining him or herself and making a contribution to others.”