Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
Opinion is the medium between knowledge and ignorance.
If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
The progressive development of man is vitally dependent on invention.
God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.
All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.
Reading is to the mind what exercise is to the body.
It is possible to fly without motors, but not without knowledge and skill.
They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.
I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.
Better know nothing than half-know many things.
We could never learn to be brave and patient, if there were only joy in the world
Seek knowledge from the cradle to the grave.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
No power and no treasure can outweigh the extension of our knowledge.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
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.
I do not know how to teach philosophy without becoming a disturber of the peace.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.