The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

The success of an enterprise cannot be achieved without the continuous pursuit of technology and strict control of quality.

The only person you should try to be better than is the person you were yesterday.

Every improvement in the circumstances of the society tends either directly or indirectly to raise the real rent of land, to increase the real wealth of the landlord, his power of purchasing the labour, or the produce of the labour of other people.

"The only way to do great work is to love what you do."

批判教育学不是一种方法，而是一种思考教育的方式，强调质疑和挑战主导意识形态的重要性。