“Self-knowledge is the only basis of true knowledge.”
“True wisdom consists in two things: Knowledge of God and Knowledge of Self.”
“That knowledge which purifies the mind and heart alone is true Knowledge, all else is only a negation of Knowledge.”
“I conceive a knowledge of books is the basis upon which other knowledge is to be built.”
“Islam is a religion based upon knowledge, and a denial of the possibility and objectivity of knowledge would involve the destruction of the fundamental basis upon which not only the religion, but all the sciences are rooted.”
“All knowledge leads to self-knowledge.”