If there were no bad people, there would be no good lawyers.

The only true wisdom is in knowing you know nothing.

God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.

Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

To every action there is always an equal and opposite or contrary, reaction

Any sufficiently advanced technology is indistinguishable from magic.

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

There is no authority who decides what is a good idea.

Science is not only a disciple of reason but, also, one of romance and passion.

Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.

I cannot live without books.

To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.

He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.

Knowledge is power. Information is liberating. Education is the premise of progress, in every society, in every family.

Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.

If one cannot enjoy reading a book over and over again, there is no use in reading it at all.

There is nothing more awful, insulting, and depressing than banality.

Don't learn to do, but learn in doing.

It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.

The most important part of teaching is to teach what it is to know.