"What sweetness is left in life, if you take away friendship? Robbing life of friendship is like robbing the world of the sun. A true friend is more to be esteemed than kinsfolk."
"Love is the attempt to form a friendship inspired by beauty."
"The life of the dead is placed in the memory of the living."
"The rule of friendship means there should be mutual sympathy between them, each supplying what the other lacks and trying to benefit the other, always using friendly and sincere words."
"To study philosophy is nothing but to prepare one’s self to die."
"For books are more than books, they are the life, the very heart and core of ages past, the reason why men worked and died, the essence and quintessence of their lives."