爱是变得脆弱。

Psychology should concern itself not with static elements, but with the dynamic interplay between organism and environment.

我一生都在学习奋斗 - 也学会了保持微笑。如果你微笑，事情就会解决。

单靠技术无法解决饥饿问题，必须与公平获取和教育相结合。