A piece of music is an experience to be taken by itself.

Old age is rather like another country. You will enjoy it more if you have prepared yourself before you go.

Was putting a man on the moon actually easier than improving education in our public schools?

A scientist may not be sure of the answer, but he's often sure he can find one. And that's a condition which is clearly not enjoyed by philosophy.

The strengthening of behavior which results from reinforcement is appropriately called 'conditioning'. In operant conditioning we 'strengthen' an operant in the sense of making a response more probable or, in actual fact, more frequent.

Punitive measures whether administered by police, teachers, spouses or parents have well known standard effects: (1) escape-education has its own name for that: truancy, (2) counterattack-vandalism on schools and attacks on teachers, (3) apathy-a sullen do-nothing withdrawal. The more violent the punishment, the more serious the by-products.

A permissive government is a government that leaves control to other sources.