心理学的真理存在于实践经验中。
Psychological truth is found in practical experience.
"The human condition is one of perpetual dissatisfaction; we are always searching for something more."
真相很少是纯粹的，也从来不是简单的。
The spirit of moderation should also be the spirit of the lawgiver.
To be a Christian without prayer is no more possible than to be alive without breathing.