"Tieto lisää tuskaa. (Vantaa, Uusimaa) (RRO)"

"When you know a thing, to hold that you know it; and when you do not know a thing, to allow that you do not know it; …"

"All teaching and all intellectual learning come about from already existing knowledge."

"I cannot look at something through someone else's eyes. I can only truly know something which I know."

"Everyone in the world knows how to seek for knowledge that they do not have, but do not know how to find what they al…"

"For knowing is spoken of in three ways: it may be either universal knowledge or knowledge proper to the matter in han…"

"To know one's ignorance is the best part of knowledge. To be ignorant of such knowledge is a disease. If one only reg…"

"Πάντες ἄνθρωποι τοῦ εἰδέναι ὀρέγονται φύσει. Σημεῖον δ᾽ ἡ τῶν αἰσθήσεων ἀγάπησις: καὶ γὰρ χωρὶς τῆς χρείας ἀγαπῶνται …"

"He who chooses to know for the sake of knowing will choose most readily that which is most truly knowledge."

"The Master said, "Yu, shall I teach you what knowledge is? When you know a thing, to hold that you know it; and when …"