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.

Attachment behaviour is held to characterize human beings from the cradle to the grave.

You are not a fish — how do you know the fish's pleasure?

-- Zhuang Zhou

Truth springs from argument amongst friends.

-- David Hume

One who knows how to speak does not seek to be right but seeks to understand.

-- Hans-Georg Gadamer

In order to understand what another person is saying, you must assume it is true and try to imagine what it could be true of.

-- George Armitage Miller

Only by settling our differences with other members of the group can we actually understand the shortcomings of our own beliefs.

-- Lawrence Kohlberg