Learning never exhausts the mind.
A little knowledge is a dangerous thing. So is a lot.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
Many much-learned men have no intelligence.
Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.
Don't worry that children never listen to you; worry that they are always watching you.
All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.
I am a part of everything that I have read.
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.
To every action there is always an equal and opposite or contrary, reaction
It took us three years to build the NeXT computer. If we'd given customers what they said they wanted, we'd have built a computer they'd have been happy with a year after we spoke to them - not something they'd want now.
Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.
What is now proved was once only imagined.
It is possible to fly without motors, but not without knowledge and skill.
A thought is an idea in transit.
I think that kids have a greater capacity for processing things than we give them credit for.
The progressive development of man is vitally dependent on invention.
Common sense is the collection of prejudices acquired by age eighteen.
Make it a rule never to give a child a book you would not read yourself.
It is what you read when you don't have to that determines what you will be when you can't help it.