You may forget the people you laughed with; But you will never forget the people you cried with. Gibran

A scholar dies for a bosom friend. -Sima Qian

It doesn't matter how far you go in order to find a good friend. -Tolstoy

Lack of true friends is the purest and most pitiful loneliness; Without friendship, the world is just a wilderness ... —— Bacon's Prose Collection

No medicine can communicate with the soul except true friends. -"Essays of Bacon"

Whether it's sentimental poetry, beautiful articles, or leisurely happiness, nothing can replace extremely close friendship. -Pushkin

My friend, you can double your happiness and halve your sadness. -marcus cicero