(1) and so on: when choosing friends, you must be cautious and truly selfish. You will put on the mask of friendship, but set a trap to trap you. -krylov.
(2) Friendship is the combination of souls, and this combination can be divorced. This is a tacit contract between two sensitive and upright people. -Voltaire.
Friendship is a Chinese word, pronounced yǒuyì, which refers to the deep feelings and intimate relationship between friends.