The infant and young child should experience a warm, intimate, and continuous relationship with his mother (or permanent mother substitute) in which both find satisfaction and enjoyment.

All of us, from cradle to grave, are happiest when life is organized as a series of excursions, long or short, from the secure base provided by our attachment figures.

What cannot be communicated to the mother cannot be communicated to the self.

If you don't change, you simply die.

-- Tadashi Yanai

Moral development continues throughout the life span, even spawning dialogue of philosophical implications of such research.

-- Lawrence Kohlberg

All of us, from cradle to grave, are happiest when life is organized as a series of excursions, long or short, from the secure base provided by our attachment figures.

-- John Bowlby

The structure of their brains is more closely related to the chemistry of the human body and brain-structure than to the chemical nature of the lower apes.

-- Wolfgang Köhler