"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."
"A friend is, as it were, a second self."
"O philosophy, life's guide! O searcher-out of virtue and expeller of vices! What could we and every age of men have been without thee? Thou hast produced cities; thou hast called men scattered about into the social enjoyment of life."
"If you have a garden and a library, you have everything you need."
"Love is the attempt to form a friendship inspired by beauty."
"I criticize by creation, not by finding fault."