The secret of friendship is expressing kindness with your eyes and through the tone of your voice, not only with words.

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

Happiness is an attitude of mind, born of the simple determination to be happy under all outward circumstances.

The mastery of any subject requires that one identify himself with the particular state of consciousness appropriate to that subject.

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.

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.

The secret of friendship is expressing kindness with your eyes and through the tone of your voice, not only with words.