Adequate control means that the successive acts are brought into a continuous order; each act not only meets its immediate stimulus but helps the acts which follow.

Teaching may be compared to selling commodities. No one can sell unless somebody buys.

The best preparation for the future is a well-spent today.

Thinking is the accurate and deliberate instituting of connections between what is done and its consequences.

Some things which are remote in space and time from a living creature, especially a human creature, may form his environment even more truly than some of the things close to him.

No system has ever as yet existed which did not in some form involve the exploitation of some human beings for the advantage of others.

When others are not doing what we would like them to or are threatening disobedience, we are most conscious of the need of controlling them and of the influences by which they are controlled.