Better know nothing than half-know many things.
The ability to observe without evaluating is the highest form of intelligence.
That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.
It is beyond a doubt that all our knowledge begins with experience.
The progressive development of man is vitally dependent on invention.
Know what you are talking about.
With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.
An investment in knowledge pays the best interest.
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.
Many much-learned men have no intelligence.
In mathematics you don't understand things. You just get used to them.
Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.
Seek knowledge from the cradle to the grave.
Human behavior flows from three main sources: desire, emotion, and knowledge
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.
Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.
A little knowledge is a dangerous thing. So is a lot.
Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.
Real learning comes about when the competitive spirit has ceased.
Common sense is the collection of prejudices acquired by age eighteen.
One test of the correctness of educational procedure is the happiness of the child.