If you want the present to be different from the past, study the past.
Knowledge, Action, Devotion are complementary to each other.
Evil being the root of mystery, pain is the root of knowledge.
A child educated only at school is an uneducated child.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
Knowing others is wisdom, knowing yourself is Enlightenment.
The most important part of teaching is to teach what it is to know.
The reading of all good books is like conversation with the finest men of past centuries.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.
In mathematics you don't understand things. You just get used to them.
Opinion is the medium between knowledge and ignorance.
Just when I thought there wasn't room enough for another thought in my head, I had this great idea.
You can never learn less, you can only learn more.
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.
Civilization is a race between disaster and education.
No power and no treasure can outweigh the extension of our knowledge.
If help and salvation are to come, they can only come from the children, for the children are the makers of men.
Science is not only a disciple of reason but, also, one of romance and passion.
Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.
The knowledge of all things is possible