* «Y mi favorito personal: <br/> Las únicas personas normales son aquellas que no conoces muy bien».
** IngñésInglés: «''And my personal favourite:<br/>The only normal people are the ones you don't know very well''». <ref>[https://books.google.es/books?id=xqCKBAAAQBAJ&pg=PA95&dq=The+chief+danger+in+life+is+that+you+may+take+too+many+precautions.+Alfred+Adler&hl=es&sa=X&ved=0ahUKEwjw7qyy37vgAhUEuRoKHbTWA0UQ6AEIMjAB#v=onepage&q=The%20chief%20danger%20in%20life%20is%20that%20you%20may%20take%20too%20many%20precautions.%20Alfred%20Adler&f=false Gehart, Diane R. ''Theory and Treatment Planning in Counseling and Psychotherapy''. 2ª Edición. Editorial Cengage Learning, 2015. ISBN 9781305533875. p. 95.]</ref>
