No experience is a cause of success or failure. We do not suffer from the shock of our experiences, so-called trauma - but we make out of them just what suits our purposes.

To all those who walk the path of human cooperation war must appear loathsome and inhuman.

The feeling of inferiority rules the mental life and can be clearly recognized in the sense of incompleteness and unfulfillment, and in the uninterrupted struggle both of individuals and humanity.

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 fro+m among such individuals that all human failures spring.

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

A lie would have no sense unless the truth were felt as dangerous.

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.