Freedom is what you do with what's been done to you.
The most dangerous phrase in the language is, 'We've always done it this way.'
The laws of organization govern all mental processes.
教育學不是關于訓練，而是關于嚴格教育人們進行自我反思，能夠批判性地處理他們與他人及更廣闊世界的關系。