The only valid data for psychology are the reports of trained observers.
心理学唯一有效的数据是受过训练的观察者的报告。
勇敢就是无条件地爱一个人,而不期待任何回报。
Believe in yourself, even when no one else does.
人类要追求智慧。
In transgressing the law of nature, the offender declares himself to live by another rule than that of reason and common equity.
林业技术的创新将重新定义我们管理和保护森林的方式。