“It is the individual who is not interested in his fellow men who has the greatest difficulties in life and provides the greatest injury to others. It is from among such individuals that all human failures spring.”

“This quote begins here. A simple rule in dealing with those who are hard to get along with is to remember that this person is striving to assert his superiority; and you must deal with him from that point of view. This quote ends here.”

“To be a human being means to possess a feeling of inferiority which constantly presses towards its own conquest. The greater the feeling of inferiority that has been experienced, the more powerful is the urge for conquest and the more violent the emotional agitation.”

“The chief danger in life is that you may take too many precautions.”

“Trust only movement. Life happens at the level of events, not of words. Trust movement.”

“He used to say to his melancholia patients:"You can be cured in fourteen days if you follow this prescription.Try to think every day how you can please someone.”

“The power-hungry individual follows a path to his own destruction.”