For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
Civilization is a race between disaster and education.
We could never learn to be brave and patient, if there were only joy in the world
The books that the world calls immoral are books that show the world its own shame.
Dare to think for yourself.
The reading of all good books is like conversation with the finest men of past centuries.
Study without desire spoils the memory, and it retains nothing that it takes in.
There is nothing more awful, insulting, and depressing than banality.
The fullness of knowledge only comes through the awareness of ignorance.
I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion
I do not know how to teach philosophy without becoming a disturber of the peace.
Reading without reflecting is like eating without digesting.
It is better to know how to learn than to know.
Human behavior flows from three main sources: desire, emotion, and knowledge
Better know nothing than half-know many things.
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.
Science is what we have learned about how to keep from fooling ourselves.
Science is a way of thinking much more than it is a body of knowledge.
What sculpture is to a block of marble, education is to a human soul.
Knowing is not enough; we must apply. Willing is not enough; we must do.
An investment in knowledge pays the best interest.