"No man's knowledge here can go beyond his experience."
"And what, Socrates, is the food of the soul? Surely, I said, knowledge is the food of the soul."
"Fear is a question. What are you afraid of and why? Our fears are a treasure house of self-knowledge if we explore them."
"Fear is a question: What are you afraid of, and why? Just as the seed of health is in illness, because illness contains information, your fears are a treasure house of self-knowledge if you explore them."
"Our treasure lies in the beehive of our knowledge. We are perpetually on the way thither, being by nature winged insects and honey gatherers of the mind."
"Knowledge is the treasure of a wise man."
"As knowledge increases, wonder deepens."
"Wonder rather than doubt is the root of all knowledge."
"The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge."
"Knowledge comes, but wisdom lingers."
"Life is a travelling to the edge of knowledge, then a leap taken."
"Good nature is worth more than knowledge, more than money, more than honor, to the persons who possess it."
"Only divine love bestows the keys of knowledge."
"Love takes up where knowledge leaves off."
"A loving heart is the beginning of all knowledge."
"The true sign of intelligence is not knowledge but imagination."
"The fact that I can plant a seed and it becomes a flower, share a bit of knowledge and it becomes another's, smile at someone and receive a smile in return, are to me continual spiritual exercises."
"Thought is the wind, knowledge the sail, and mankind the vessel."
"It is not ignorance but knowledge which is the mother of wonder."
"The only source of knowledge is experience."
"Some people drink from the fountain of knowledge, others just gargle."
"Data is not information, information is not knowledge, knowledge is not understanding, understanding is not wisdom."