心理学唯一有效的数据是可观察的行为。
The only valid data for psychology are observable behaviors.
Everything is in motion.
创新不仅仅是技术,更是改变人们的生活。
让男孩们表现良好的最好方法是让他们对有价值的事情保持兴趣。
True freedom is not about doing what you want, but about not doing what you don't want to do.