Theories of love are found in the works of scientists, philosophers, and theologians.

Teachers may think they are stuffing minds, but all they are ever affecting is the memory. Nothing can ever be forced into anyone's mind except by brainwashing, which is the very opposite of genuine teaching.

Aristotle uses a mother's love for her child as the prime example of love or friendship.

The best protection against propaganda of any sort is the recognition of it for what it is. Only hidden and undetected oratory is really insidious. What reaches the heart without going through the mind is likely to bounce back and put the mind out of business. Propaganda taken in that way is like a drug you do not know you are swallowing. The effect is mysterious; you do not know afterwards why you feel or think the way you do.

To agree without understanding is inane. To disagree without understanding is impudent.

The complexities of adult life get in the way of the truth.

The teacher's role in discussion is to keep it going along fruitful lines - be moderating, guiding, correcting and arguing like one more students.