关于友谊的英文句子，这里有一些精选的句子供您参考：
1. A life without a friend is a life without a sun.
2. Be slow in choosing a friend； slower in changing.
3. A friend in need is a friend indeed.
4. True friendship lasts forever.
5. Friends are like wine； the older, the better.
6. There is no friend so faithful as a good book.
7. A brother may not be a friend, but a friend will always be a brother.
8. True friendship is measured in the depth of shared sorrows.
9. In the intensity of battles, friendships shine brighter.
10. Trust not the praise of a friend, nor the contempt of an enemy.
这些句子涵盖了友谊的不同方面，从它的价值、选择朋友的方式、患难中的支持，到友谊随时间增长的特性，以及朋友之间的信任和尊重。希望这些句子能够启发您，让您对友谊有更深的理解和感悟