I like dogs. You always know what a dog is thinking. It has four moods. Happy, sad, cross and concentrating. Also, dogs are faithful and they do not tell lies because they cannot talk.

性能的关键在于优雅，而不是大量的特殊情况。

Stay hungry, stay foolish.

科学的遗产是人类的进步。

每一个认知行为都是信息处理的行为。