Perception is less of a recording system and more of a protection system against external stimuli.

If you can't do it, give up!

We have become convinced that it is better to avoid such symbolic disguisings of the truth in what we tell children and not to withhold from them a knowledge of the true state of affairs commensurate with their intellectual level.

Thinking is an experimental dealing with small quantities of energy, just as a general moves miniature figures over a map before setting his troops in action.

Immorality, no less than morality, has at all times found support in religion.

We know that the great majority of people have a strong need for authority which it can admire, to which it can submit, and which dominates and sometimes even ill-treats it.

Our fascination with gold is related to the fantasies of early childhood.