The books that the world calls immoral are books that show the world its own shame.
The most important part of teaching is to teach what it is to know.
It isn't what we don't know that gives us trouble, it's what we know that ain't so.
Men are born ignorant, not stupid. They are made stupid by education.
All stable processes we shall predict. All unstable processes we shall control.
What we know is a drop, what we don't know is an ocean.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
No man's knowledge here can go beyond his experience.
The first principle is that you must not fool yourself and you are the easiest person to fool.
I like poems you can tack all over with a hammer and there are no hollow places.
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.
Human behavior flows from three main sources: desire, emotion, and knowledge
Investigate, educate and organize the country must progress, productive works and industries are the main avenues at present next to education for the advancement of the country
Knowing is not enough; we must apply. Willing is not enough; we must do.
Common sense is the collection of prejudices acquired by age eighteen.
It is better to know how to learn than to know.
Imagination is more important than knowledge.
Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.
I learned very early the difference between knowing the name of something and knowing something.
Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.
Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.