It is not so much that man is a herd animal, said Freud, but that he is a horde animal led by a chief.

Ernest Becker

No intelligent idea can gain general acceptance unless some stupidity is mixed in with it.

Fernando Pessoa

It is important that students bring a certain ragamuffin, barefoot irreverence to their studies; they are not here to worship what is known, but to question it.

Jacob Bronowski

What we achieve inwardly will change outer reality.

Plutarch

Change means movement. Movement means friction. Only in the frictionless vacuum of a nonexistent abstract world can movement or change occur without that abrasive friction of conflict.

Saul Alinsky

Skepticism: the mark and even the pose of the educated mind.

John Dewey