20th-century Psychologist Quotes

Jean Piaget

Tomas Tranströmer

B. F. Skinner

Abraham Maslow

Steven Pinker

Carl Rogers

Hans Eysenck

Right action tends to be defined in terms of general individual rights and standards that have been critically examined and agreed upon by the whole society.

Lawrence Kohlberg

Temporary feelings of regret are a normal part of the mourning process. This helps us retrieve our lost dreams. If we hold on to regret, we risk trapping ourselves in a prison of unrealized dreams from which it is difficult to escape.

Barbara De Angelis

Most social acts have to be understood in their setting, and lose meaning if isolated. No error in thinking about social facts is more serious than the failure to see their place and function.

To the extent that children with similar characteristics achieve comparable performance levels, using the performances of similar peers is likely to yield more accurate self-appraisal than using the accomplishments of dissimilar peers

Mass production is only profitable if its rhythm can be maintained.. that is, if it can continue to sell its product in steady or increasing quantity. The result is that while, under the handicraft or small-unit system of production that was typical a century ago, demand created the supply, today supply must actively seek to create its corresponding demand.

Philosophers have often looked for the defining feature of humans — language, rationality, culture, and so on. I'd stick with this: Man is the only animal that likes Tabasco sauce.

Self-respecting men and women think about the consequences of their actions-and are willing to take responsibility for them.

Nathaniel Branden

Scientists still know less about what attracts men than they do about what attracts mosquitoes.

Perfection is crucial in building an aircraft, a bridge, or a high-speed train. The code and mathematics residing just below the surface of the Internet is also this way. Things are either perfectly right or they will not work. So much of the world we work and live in is based upon being correct, being perfect.

Did you know that you use less than 1% of your brain? The good news is that mind mapping can help you to access the other 99%!

A society or culture which is disposed to view the world in Manichean terms will be more vulnerable to control by propaganda.

Sociologists and historians have avoided looking for the family sources of wars and social violence. Whenever a group produces murderers, the early parental relationship must have been abusive and neglectful. Yet this elementary truth has not even begun to be considered in historical research; just stating that poor mothering lies behind wars seems blasphemous.

We human beings can survive the most difficult of circumstances if we are not forced to stand alone.

Whenever we encounter a human being in such a way that we feel absolutely certain of the infinity of that person's worth and the eternity of his or her life, that is Easter.

Eugen Drewermann

The simplest type of environmental texture is that in which goals and noxiants ("goods" and "bads") are relatively unchanging in themselves and randomly distributed. This may be called the placid, randomized environment.

If there is any responsibility in the cycle of life it must be that one generation owes to the next that strength by which it can come to face ultimate concerns in its own way.

Prostitution is sexual violence that results in massive economic profit for some of its perpetrators. The sex industry, like other global enterprises, has domestic and international sectors, marketing sectors, a range of physical locations out of which it operates in each community, is controlled by many different owners and managers, and is constantly expanding as technology, law, and public opinion permit.

It is common to think of statistical graphics and data visualization as relatively modern developments in statistics. In fact, the graphic representation of quantitative information has deep roots. These roots reach into the histories of the earliest map-making and visual depiction, and later into thematic cartography, statistics and statistical graphics, medicine, and other fields. Along the way, developments in technologies (printing, reproduction) mathematical theory and practice, and empirical observation and recording, enabled the wider use of graphics and new advances in form and content.

Michael Friendly

Sexual conduct is learned, acquired and assembled in human interaction, judged and performed in specific cultural and historical worlds.

Great thinkers often learn, to their surprise, that new ideas are less than welcome.

Gerd Gigerenzer

Responsibility is fostered by allowing children a voice and wherever indicated a choice in matters that affect them.

The names that do the serious damage are the ones we call ourselves. The stereotypes we give ourselves are the ones that matter in the long run, not the ones imposed on us by other people.

Judith Rich Harris

One of the surprising privileges of intellectuals is that they are free to be scandalously asinine without harming their reputations.

Abstract words are ancient coins whose concrete images in the give and take of talk have worn away with use.

Reducing complexity by order formation is the number one skill needed by all leaders in the twenty-first century