Suspicion is the cancer of friendship- Francesco PetrarcaFriendship Quotes ๐ฏ Spread the love Suspicion is the cancer of friendship. Francesco Petrarca Friendship Quotes Spread the love Explore Awesome ๐ Quotes By โ Francesco PetrarcaRelated AuthorAbraham Lincoln Amy Poehler Helen Fisher Lou Holtz Rodney DangerfieldRelated TopicFriendship