A true friend is known in the day of adversity.
疾風知勁草，患難見真情。
A true friend is one soul in two bodies.
真正的朋友好似兩個身子長著一顆心。
Better an open enemy than a false friend.
明槍易躲，暗箭難防。
Between friends all is common.
朋友之間不分彼此。
Books, like friends, should be few and well chosen.
書籍如朋友，應該少而精。
Everything is good when new, but friend when old.
東西新的'好，朋友老的好。
Familiar paths and old friends are the best.
熟路好遵循，老友最可珍。
Friends are like fiddle-strings, they must not be screwed too tight.
朋友像琴絃，不能太擰緊。
Friendship cannot stand always on one side.
來而不往非禮也。
Friendship is love understanding.
友誼是愛加上諒解。
Friendship multiplies joys and divides griefs.
友誼可以增添歡樂，可以分擔憂愁。
Friendship ---- one soul in two bodies.
友誼是兩人一條心。
Friendship the older it grows the stronger it is.
友誼地久天長。
Friends may meet, but mountains never greet.
朋友可相逢，高山永分離。
Friends must part.
天下無不散之筵席。
God defend me from my friends; form my enemy I can defend myself.
防友*天，防敵*己。
He is rich enough who has true friends.
有真朋友的人是富翁。
Hunger knows no friend.
飢難周友。
In time of prosperity, friends will be plenty; In time of adversity, not one amongst twenty.
富在深山有遠親，窮在鬧市無人