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.
I cannot live without books.
The progressive development of man is vitally dependent on invention.
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.
Make it a rule never to give a child a book you would not read yourself.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
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.
What we know is a drop, what we don't know is an ocean.
The schools ain't what they used to be and never was.
Opinion is the medium between knowledge and ignorance.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
No power and no treasure can outweigh the extension of our knowledge.
What is now proved was once only imagined.
Reading without reflecting is like eating without digesting.
A thought is an idea in transit.
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.
Education is the kindling of a flame, not the filling of a vessel.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.