What is honored in a country will be cultivated there.
[M]ere knowledge of the truth will not give you the art of persuasion.
Books are immortal sons deifying their sires.
Beauty of style and harmony and grace and good rhythm depend on Simplicity.
There is a ... matter - much more valuable and divine than natural philosophy . ... On this matter I must speak to you in enigmas.
'But the man who is ready to taste every form of knowledge, is glad to learn and never satisfied - he's the man who deserves to be called a philosopher, isn't he?'