生活中的唯一限制是你为自己设定的限制。
The only limits in life are the ones you set for yourself.
心理学必须是一门描述的科学，而非解释。
A poet is a painter of the invisible, a sculptor of the intangible.
解释：外表不端正的人，是因为德没有养成；内里不专—的人，是因为心没有治好。端正形貌，整饬内德，使万物都被掌握理解。
When I look at the world I'm pessimistic, but when I look at people I am optimistic.
In the vastness of the universe, our problems seem small, yet our potential for understanding is limitless.
儿童书籍应该既是一面镜子，也是一扇窗户。
过去是你记得的、想象你记得的、说服自己记得的或假装记得的东西。
Meeting energy demand while reducing emissions is the defining challenge of our time.