评判越多，爱得越少。
The more one judges, the less one loves.
The healthy social life is found when in the mirror of each human soul the whole community finds its reflection, and when in the community the virtue of each one is living.
The study of mind should be the study of its adaptive functions.
The future of democracy depends on its ability to adapt to new challenges and to renew itself.
选择最有用的生活方式，习惯会使其变得最令人愉悦。
