科学进步必须以道德指南针为指导。

Reinforcement is the central factor in the acquisition of new behavior patterns.

"Children's literature is the foundation of the imagination, the birthplace of creativity, and the first step towards a lifelong love of reading."

"The future is about making technology accessible to everyone."

What appears good to one may appear evil to another， and vice versa.

奋斗永不停歇。