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

The secret of success is doing things not merely because they are popular, but because you deeply believe in them.

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

Happiness is a question of attitude, not a question of what's happening out there.

Happiness is a smile of comfort to the sorrowful.

Happiness is reverence for all life.

The "kingdom of heaven" to which he referred was the state of God-consciousness, not the beautiful astral heavens that most people visualize, where virtuous souls go after death.