This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...desire to achieve them. A neurotic is motivated by fear and by a desire to escape it. This difference in motivation is reflected, not only in the things each type of man will seek for pleasure, but in the nature of the pleasure they will experience.

The emotional quality of the pleasure experienced by the four men described above, for instance, is not the same. The qualit
y of any pleasure depends on the mental processes that give rise to and attend it, and on the nature of the values involved. The pleasure of using one’s consciousness properly, and the “plea...
read full book block explorer