George G. Byron, English poet 乔治·G·拜伦，英国诗人

　　A faithful friend is the medicine of life. 忠实的朋友是人生的良药。

　　William Shakespeare, British dramatist 威廉·莎士比亚，英国剧作家

　　A friend is, as it were, a second self. 不妨说，朋友就是另一个自我。

　　Cicero, ancient Roman philosopher 西塞罗，古罗马哲学家

　　Friendship may, and often does, grow into love, but love never subsides into friendship. 友谊可能而且经常发展成爱情，但是爱情却永远不会下降为友谊。

　　George G. Byron, British poet 乔治·G·拜伦，英国诗人

　　A man should keep his friendship in constant repair. 只有经常“浇灌”，友谊方能天长地久。

　　Samuel Johnson, British writer 塞缪尔·约翰逊，英国作家