Your enemy is still yourself. You don't have enemies. They may be self-styled. I have plenty of self-styled enemies. I don't wish them harm.

The secret of happiness is the determination to be happy always, rather than wait for outer circumstances to make one happy.

Happiness is a smile of comfort to the sorrowful.

Attachment is the state of ignorance or forgetfulness, and thus clinging to a memory of enjoyment

Take whatever cause for outward happiness you might have and take it within yourself, so that, if the sun should go out, you will not be any less happy; if the birds stop singing you will not be any less happy.

Realize that to have friends one must first be a friend. Make friendship a priority in your life.

The two-fold goal of all human striving is the avoidance of pain, and the fulfillment of happiness.