Precise knowledge is the only true knowledge, and he who does not teach exactly, does not teach at all.
Knowledge does not corrupt, unless it is arrogant; but then it is not true knowledge.
True knowledge comes only through suffering.
True knowledge is knowledge of why things are as they are, and not merely what they are.
The true knowledge is not in the things, but in finding the connections between the things.
True knowledge consists in knowing things, not words.
True knowledge without xperience is food without sustenance
True knowledge is not attained by thinking. It is what you are; it is what you become.
That knowledge which purifies the mind and heart alone is true Knowledge, all else is only a negation of Knowledge.
The true knowledge or science which exists nowhere but in the mind itself, has no other entity at all besides intelligibility; and therefore whatsoever is clearly intelligible, is absolutely true.