Sidney Hook

To silence criticism is to silence freedom.

Everyone who remembers his own education remembers teachers, not methods and techniques. The teacher is the heart of the educational system.

Wisdom is a kind of knowledge. It is knowledge of the nature, career, and consequences of human values.

Students rarely disappoint teachers who assure them in advance that they are doomed to failure.

Nonetheless, it still remains true that as a set of cognitive beliefs, religious doctrines constitute a speculative hypothesis of an extremely low order of probability.