Collection of phrases and quotes about knowledge.
Science is to the soul what light is to the eyes, and if the roots are bitter, the fruits are very sweet.
I understood that if you only think about things on your own for a long time, you end up considering only your point of view.
The mandatory reading is dreadful. Read for pleasure, have a deep suspicion.
To be surprised, to be puzzled, is to begin to understand.
Whenever you teach, teach at the same time to doubt what you teach.
That we don't know what's happening to us: that's what's happening to us.
Science is everything about which there is always room for discussion.
Thought is the only thing in the Universe of which its existence cannot be denied: to deny is to think.
Maximum specialization equals maximum unculturedness.
Science consists of replacing the knowledge that seemed certain with a theory, that is, with something problematic.
A historian is a prophet in reverse.
I only offer possible new ways of looking at things.