"We are all in the gutter, but some of us are looking at the stars."
Success is not final, failure is not fatal: It is the courage to continue that counts.
教育学不是关于训练,而是关于严格教育人们进行自我反思,能够批判性地处理他们与他人及更广阔世界的关系。
The human race has one really effective weapon, and that is laughter.
The PAC learning framework provides a formal way to quantify the learnability of a concept class.