The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
No power and no treasure can outweigh the extension of our knowledge.
Don't worry that children never listen to you; worry that they are always watching you.
An investment in knowledge pays the best interest.
The reading of all good books is like conversation with the finest men of past centuries.
Knowing is not enough; we must apply. Willing is not enough; we must do.
Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.
A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
The most savage controversies are those about matters as to which there is no good evidence either way.
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.
There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
When you know better you do better.
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.
Most people have never learned that one of the main aims in life is to enjoy it.
The man who is fond of books is usually a man of lofty thought, and elevated opinions.
The highest activity a human being can attain is learning for understanding, because to understand is to be free.
Seek knowledge from the cradle to the grave.
If the facts don't fit the theory, change the facts.